39C3

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-
  • Riot Pub Quiz [all creatures welcome]
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.
  • The Heartbreak Machine: Nazis in the Echo Chamber
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0ddc0de
  • Not To Be Trusted - A Fiasco in Android TEEs
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10 Mark DJ Team
  • 10 Mark DJ Team
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42triangles (she/her)
  • Steno Meetup / Introduction
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49016
  • To sign or not to sign: Practical vulnerabilities in GPG & friends
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551724 / maya boeckh
  • All my Deutschlandtickets gone: Fraud at an industrial scale
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A73X
  • Open source hearing technology
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abcdd
  • Uprising in Belarus revisted 5 years later
  • Uprising in Belarus revisted 5 years later #1
  • Bachmut, 19. April 2023 – Lesung und Gespräch
  • Antifa-Ost Komplex - What´s with this terrorist organization?
  • Situation on anarchist prisoners in Belarus
  • Widerstand gegen Debanking
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Addison
  • Demystifying Fuzzer Behaviour
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AdeptVeritatis
  • Chaos Cannabis Cup
  • House of Tea Reunion
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Adnan
  • Tatendrang.wav
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Adora Belle
  • Zellkultur
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adz
  • p2panda - Project updates & meetup
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Afidissima & Alice
  • Afidissima & Alice
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akira25
  • Amateurfunk im All – Kontakt mit Fram2
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Albrecht
  • Alles smart und sicher? Oder nur Schall und Rauch? Zu den Datenspuren smarter Rauchmelder.
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Alex
  • (Un-)Hacking Digital Sovereignty
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Alexander Bessman
  • Getting started with the Pocket Science Lab
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Alexander Muigg
  • Eine typisch österreichische Lösung - die Dirndlkoalition
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Alexander Willer
  • In-house electronics manufacturing from scratch: How hard can it be?
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Alexeyan
  • Project Poltergeist
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Alexis Roussel
  • "What can a mixnet do? Strategies for network-level anonymity"
  • "Referendum Citoyen" the revolutionnary app
  • Update 2025. Digital integrity of the human person, A new fundamental right.
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Alex Thurow
  • A blast from the Y2K past… GRÜNSPAN (Rock & Metal)
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alg
  • Artifitial life from random programs
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algoldor
  • Probiotic drinks making @ FHB
  • Cider Flows @ FHB
  • Probiotic making&cooking
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Alice Margatroid
  • Leveraging LLMs for Preventing De-anonymization: Occlumask
  • Occlumask Demo & Brainstorming Session
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aline
  • Who's afraid of emotions? From helplessness to impactful activism
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Alireza Meghrazi Solouklou
  • Transkultureller Hack auf die klassische Musikszene – Vortrag und Konzert
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Alon Leviev
  • BitUnlocker: Leveraging Windows Recovery to Extract BitLocker Secrets
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Alvar
  • Datenschutz-Sprechstunde
  • Digitale Kehrwoche: Workshop: wie kann ich Daten bei datensammelnden Webseiten löschen lassen?
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Alvar C.H. Freude
  • Die große Datenschutz-, Datenpannen- und DS-GVO-Show
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Amy (she/her)
  • Dissoziative Ressourcen Teilen: Eine DIS-kussion
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Ana
  • FSFE Insights
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Andi Bräu
  • Lightning Talks - Tag 2
  • Lightning Talks - Tag 3
  • 25 Jahre Freifunk - 2027 als Festjahr?
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Andreas family & friends Hamburg
  • selbstverständlich antifaschistisch! Aktuelle Informationen zu den Verfahren im Budapest-Komplex - von family & friends Hamburg
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Andreas Stoiber
  • (How) Can academic research and activism in SAR interact in solidarity?
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Andrew McAllister
  • Einführung SPARQL + Wikidata Query Service
  • Intro to SPARQL and Wikidata Query Service (EN)
  • Accessing Wikidata Data with Python (EN)
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Angie Taylor
  • Angie Taylor
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anma
  • Jugend hackt-Stickpatch mit LED
  • [3-in-1] Crafting-Workshop: Häkeln, Sticken und Stricken für Anfänger:innen [all creatures welcome]
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anna
  • Punkrock-Songtext-Lesung
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Anna Kassautzki
  • Power Cycles statt Burnout – Wie Einflussnahme nicht verpufft
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AnnaKia
  • Legale, Halblegale und andere Tricks um ohne Geld durch die Welt zu kommen
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Anna-Lea
  • Hack the Training! Call for Ideas für DIY-Lösungen in Einsatzsimulationen
  • WASH-Sprechstunde
  • WASH-Sprechstunde
  • Daily Tech Talk: CADUS Academy – Building an Open Learning Platform
  • Fight, Flight, Freeze - und dann? Handlungsfähig bleiben mit Psychologischer Erster Hilfe. Ein Crashkurs
  • CADUS x Off-Grid-Assembly
  • Kids-Rope-Rescue
  • WASH-Sprechstunde
  • Der Talk: Solidarisch Preppen
  • Nasenmusik für fortgeschrittene Schnüffler*innen
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Anne Lüscher
  • Chaos Communication Chemistry: DNA security systems based on molecular randomness
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Anne-Victoria Meyer (sie/ihr)
  • Git - Quellcode verwalten für Anfänger*innen [all creatures welcome]
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Annie Dai
  • Don’t look up: There are sensitive internal links in the clear on GEO satellites
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Annika
  • Ich weiß, wen ich irgendwie kenne, aber wer kennt eigentlich irgendwie mich? Pt. I: Talk
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Annika Kuntze
  • Von Fuzzern zu Agenten: Entwicklung eines Cyber Reasoning Systems für die AIxCC
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Ann Katzinski
  • Zwischen Assistenz und KI-(Selbst)-Kontrolle: Generative KI im Berufsfeld Softwareentwicklung
  • Promptbastelei und andere Überlebensstrategien
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Antonio Vázquez Blanco (Antón)
  • Liberating Bluetooth on the ESP32
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aram
  • Camp27 Family Village Kickoff
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aricake
  • How does VC funding work, actually?
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ARKIFEL
  • ARKIFEL + nanoloop
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arl
  • Comeflywithus
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Arne
  • TicTacLights Nano Colour -- reflow soldering
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Arne Semsrott
  • Gegenmacht - Best of Informationsfreiheit
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arp (HE / HIM)
  • Bau dir einen Kritzelbecher
  • Bau dir einen Kritzelbecher
  • Bau dir einen Kritzelbecher
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artnplay
  • 1965 + 60 Jahre algorithmisches Zeichnen mit Computern
  • Care.exe has stopped responding
  • Leftathlon - Spendenlauf gegen Rechts (VR & analog) - IF EVERYONE VOTES RIGHT, RUN LEFT! -
  • Der Schatz an der Moorweide
  • Care.exe has stopped responding
  • Care.exe has stopped responding
  • Warum ist die Raumzeit krumm?
  • AfZK - Archiv für Zeitgenössische Kulturgeschichte
  • AfZK - Archiv für Zeitgenössische Kulturgeschichte
  • 1965 + 60 Jahre algorithmisches Zeichnen mit Computern
  • Warum ist die Raumzeit krumm?
  • Der Schatz an der Moorweide
  • Der Schatz an der Moorweide
  • Warum ist die Raumzeit krumm?
  • 1965 + 60 Jahre algorithmisches Zeichnen mit Computern
  • Warum ist die Raumzeit krumm?
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asypsilon (sie/ihr)
  • Natürlich bin ich 18! - Wo stehen wir beim Thema Altersprüfungen im Netz?
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Atemu
  • git-annex workshop
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Atypha (She)
  • The Spoon Game - 39C3 Special Edition workshop (#3)
  • The Spoon Game - 39C3 Special Edition workshop (#2)
  • The Spoon Game - 39C3 Special Edition workshop (#1)
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Augustin Bielefeld
  • DIY Bioreactors for mycology and biohacking
  • In-house electronics manufacturing from scratch: How hard can it be?
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autinerd (he/they)
  • Get to know the furry fandom (Q&A)
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Axel Böttcher
  • Wie wir alte Flipperautomaten am Leben erhalten
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Babooshka
  • Babooshka
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bak3n3k0 (He/Him)
  • Meshtastic Chaos Creatures (MCC): Channels Distribution Party
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BarbNerdy
  • BarbNerdy
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battlemesh
  • Battlemesh Meetup
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bAvatar
  • Was hat das Fediverse eigentlich zu bieten wenn Datenschutz und Digitale Souveränität egal sind?
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Beata Hubrig
  • Endlich maschinenlesbare Urteile! Open access für Juristen
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becca
  • Stickmaschinen & Ink/Stitch Meetup
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beeblebroxx
  • RAYHUNTER: Let's hunt Stingrays - Community Meetup
  • The State of LEO - Satellite enthusiast meetup
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beetroot
  • Twilight Imperium Gathering
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beetroot (he/him)
  • Twilight Imperium Gathering
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belobe
  • “End Of 10”: How the FOSS Community is Combatting Software-Driven Resource and Energy Consumption
  • Werde Teil der Endof10 -Kampagne! Hilf Menschen beim Umstieg auf Linux [FLINTA* only]
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Ben Burmeister
  • Ask me anything: Internet Governance
  • Ask me anything: Internet Governance
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Benjamin Kollenda
  • The Angry Path to Zen: AMD Zen Microcode Tools and Insights
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Benjamin W. Broersma
  • Race conditions, transactions and free parking
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benks
  • FIfF Meetup
  • Global Climate Justice & Digital Empowerpent ! B&B Community Meet-Up
  • Für Datenschutz, Menschenrechte & Artenschutz - B&B Community Meet-Up
  • Bits & Bäume Community Meetup
  • Für eine nachhaltige, global gerechte Digitalisierung- B&B Community Meet-Up
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Benni
  • datarequests.org office hours: We answer your GDPR request questions
  • Datenschutzrechte zum Mitmachen – DSGVO-Anfragen stellen mit Datenanfragen.de
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Benny
  • Vernetzungstreffen ÖRR
  • GPTDash – Der Reverse-Turing-Test
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Berivan Canbolat
  • Transkultureller Hack auf die klassische Musikszene – Vortrag und Konzert
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Berliner Mieter*innengewerkschaft
  • Political Organizing - Tools we need
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Bernd
  • Variable Fonts — It Was Never About File Size
  • Podcasting für Einsteiger*innen
  • Podcasting für Einsteiger*innen
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Bernd Rupp
  • ​WissPod Jahresrückblick 2025 oder: KI in der Wissenschaft!?
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Bettina Louis
  • “End Of 10”: How the FOSS Community is Combatting Software-Driven Resource and Energy Consumption
  • Werde Teil der Endof10 -Kampagne! Hilf Menschen beim Umstieg auf Linux [FLINTA* only]
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Bianca Kastl
  • Schlechte Karten - IT-Sicherheit im Jahr null der ePA für alle
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bibor
  • c3gsm: Ask-us-Anything about the 39c3 cellular network
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Birdy1976
  • 🙈 🙉 🙊 Nerd Game Show 😸 😹 😻
  • Speedcoding (JavaScript) 🚀
  • 📑 Lesezeichen 2: Das JavaScript schlägt zurück 👾
  • Max8min (Kurzfilm / Short Film) 🍿
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Birgit family & friends Hamburg
  • selbstverständlich antifaschistisch! Aktuelle Informationen zu den Verfahren im Budapest-Komplex - von family & friends Hamburg
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bleeptrack
  • Code to Craft: Procedural Generation for the Physical World
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blinry
  • Teamtype – multiplayer mode for your text editor!
  • Build your own mouse cursor theme (for Linux)!
  • Jujutsu: A Git-compatible version control system
  • Wählt diesen Workshop! Ein interaktiver Streifzug durch verschiedene Wahlverfahren [all creatures welcome]
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bobotronic
  • The CDC Badge: conference badge & devboard with TROPIC01 and ESP32-S3
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bonnie
  • Lightning Talks - Tag 2
  • Lightning Talks - Tag 3
  • FSFE meetup at Bits & Bäume Habitat
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Brandon Goodell
  • A Brief History of Keeping Secrets
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brandonpaiz
  • Cat Got Your Password: Wi-Fi Self Defense For Beginners (Day 3)
  • Is That an Off-Grid Server in Your Pocket, or Are You Just Happy to See Me?
  • Solder your very own IoT Pusheen Cat Lamp with WLED! (Day 3)
  • Cat Got Your Password: Wi-Fi Self Defense For Beginners (Day 4)
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BratscherBen
  • GPTDash – Der Reverse-Turing-Test
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breakingbread
  • Prometheus: Reverse-Engineering Overwatch
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btchip
  • Passkeys : the good, the bad, the ugly
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Bücherratten
  • Wie funktioniert das IT-Netzwerk Zuhause? Netzwerk Basics [all creatures welcome]
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buecherwurm
  • Wie spreche ich IHN an? Mit anderen Männern über Sexismus, Grenzüberschreitung und sexualisierte/ Partnerschafts-Gewalt reden [all creatures welcome]
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bunnie
  • Xous: A Pure-Rust Rethink of the Embedded Operating System
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bushfya
  • bushfya
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Cade Diehm
  • The Mask-Off Moment for Digital Identity
  • The Digital Identity Event Horizon
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calisti
  • Rust programming language: Absolute beginner workshop – FLINTA edition ✨ [FLINTA* only]
  • Rust programming language: An absolute beginner workshop with intro presentation
  • Rust programming language: An absolute beginner workshop with intro presentation [all creatures welcome]
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captain-maramo
  • Haecksen Power (Cycle) – Dezentralisieren und Rebooten [Haecksen only]
  • Riot Pub Quiz [all creatures welcome]
  • Trans Austauschrunde [TINA* only]
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carinalntz
  • Löte deinen eigenen Euclidean Sequencer
  • Löte deinen eigenen Euclidean Sequencer
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Carla
  • tech-coops Q&A
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Carolina Silva Rode
  • “End Of 10”: How the FOSS Community is Combatting Software-Driven Resource and Energy Consumption
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Casey Ford
  • "What can a mixnet do? Strategies for network-level anonymity"
  • Who's afraid of anonymity? A philosophical and political toolkit
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Cathleen Hoffmann
  • Gegenhalten vor Ort: FLINTAs als Kommunalpolitikerinnen im (ostdeutsch) ländlichen Patriarchat [FLINTA* only]
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catileptic (they/she)
  • Mocha with Metamours: A World Café on Decoding Ethical Non-Monogamy
  • Relation Anarchy and Solo-Poly meet-up.
  • Where Do All The Leaks Go? OpenAleph Roundtable
  • Relationship Anarchy and Technologies of Connection
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Celia/Irídia
  • Suing spyware in Europe: news from the front!
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chaeza + doc
  • chaeza + doc
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Chiao-Lin Yu (Steven Meow)
  • When Vibe Scammers Met Vibe Hackers: Pwning PhaaS with Their Own Weapons
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Chloé Berthélémy
  • Fighting the EU Surveillance Law Apocalypse Continued
  • The Last of Us - Fighting the EU Surveillance Law Apocalypse
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chris
  • (Outdoor) Ballooning with antennas
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Chris Köver
  • Handy weg bis zur Ausreise – Wie Cellebrite ins Ausländeramt kam
  • netzpolitik.org Off/On: Off The Record live
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Christiane Mudra
  • freiheit.exe - Utopien als Malware
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Christian Faubel
  • The Uncontrolled Manifold : dancing with sympoetic machines
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Christian Fuchs
  • The Heartbreak Machine: Nazis in the Echo Chamber
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Christopher Hamann
  • A space odyssey #2: How to study moon rocks from the Soviet sample return mission Luna 24
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Christopher Kunz
  • APT Down and the mystery of the burning data centers
  • "Passwort" - der heise security Podcast live vom 39C3
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Christoph Saatjohann
  • KIM 1.5: Noch mehr Kaos In der Medizinischen Telematikinfrastruktur (TI)
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Christoph Wiedmer
  • Supplements und Social Media – wenn der Online-Hype zur realen Gesundheitsgefahr wird
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Cin Pietschmann
  • Wikidata und Kolonialismus in Daten
  • Wikidata and Colonialism in Data
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Cisz (er, he)
  • Geschichten Erzählen Tag 1 - Waldwesen (Grusel und Geheimnis)
  • Papierbasteln Tag 1
  • Geschichten Erzählen Tag 2 - Zauberschule: Ethikexkursion
  • Geschichten Erzählen Tag 4 - Im Orbit (Science Fiction)
  • Papierbasteln Tag 3
  • Papierbasteln Tag 2
  • Geschichten Erzählen Tag 3 - Zauberschule: Schatzjagd
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Clandestine
  • Workshop Network-Security + "Darknet" [FLINTA* only]
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Cloud Management
  • Cloud Management
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Coco
  • Sorten züchten für Dummies
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Constanze Kurz
  • CCC-Jahresrückblick
  • Blackbox Palantir
  • Security Nightmares
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CooperfrauMelissengeist
  • No-Input
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Cory Doctorow
  • A post-American, enshittification-resistant internet
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Creator
  • Introduction to Hardware Hacking with the Sword of Secrets (On-going)
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cyanic
  • BE Modded: Exploring and hacking the Vital Bracelet ecosystem
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d2887
  • Selbsthilfegruppe Unternehmens IT / Enterprise IT support group
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Dam0k1es
  • Kein Palantir BW
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Daniel
  • Neue Chaos Events - InselChaos und Håck ma’s Castle plaudern aus dem Nähkästchen
  • Antifa will win!
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Daniel Gruss
  • Rowhammer in the Wild: Large-Scale Insights from FlippyR.AM
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Dante
  • Bildungsurlaub 2.0: Bürokratie hacken
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Dario Presutti
  • Q&A - Device Neutrality, Free Software and FSFE's litigation against Apple
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darius
  • Luanti(Minetest)-Mods programmieren
  • Luanti(Minetest)-Mods programmieren
  • Spieleprogrammieren mit PyGame
  • Spieleprogrammieren mit PyGame
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Darius Auding
  • Teckids – eine verstehbare (digitale) Welt
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darkfrone (he/him)
  • Treffen der Bahn-Chaosbubble
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darko
  • OpenPGP 2025: Zero → Hero
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David
  • We, the EU, and 1064 Danes decided to look into YouTube: A story about how the EU gave us a law, 1064 Danes gave us their YouTube histories, and reality gave us a headache
  • Powerpoint Karaoke
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Davy Wang
  • Verschlüsselung brechen durch physischen Zugriff - Smartphone Beschlagnahme durch Polizei
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deadrabbit
  • Malware Analysis and Binary Triage
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Deanna
  • Chaos all year round
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Deanna (keins/none-they/them)
  • Haecksen-Picknick für neue Haecksen
  • Neurodivergenz-Meetup
  • Traditionelles Haecksen-Picknick
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deBaer
  • Mechanical keyboards show and tell
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deepbluev7
  • Inofficial SailfishOS User Meetup
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Denise Frey
  • Denise Frey Electro-Acoustic Ambient Music
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Dennis Heinze
  • Bluetooth Headphone Jacking: A Key to Your Phone
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Dennis Özcelik
  • Developing New Medicines in the Age of AI and Personalized Medicine
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Der feine Schliv
  • Der feine Schliv
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DerHorst
  • Betreutes hacken: Broken Access Control
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Deri-vative
  • Collage
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Der Untergang*
  • Der Untergang*
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Dia
  • Fairphone Meetup (all creatures welcome)
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Diana
  • Reden über Radfahren - deutschsprachige Fahrradpodcasts
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Dia (she/her)
  • Fairphone Meetup (all creatures welcome)
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Dickmaulrussler
  • Jurist:innentreffen
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Diego Salazar
  • Talk with Industry Cryptographers and Developers
  • State of the Decentralization in Industry
  • Intro to the Critical Decentralization Cluster
  • Intro to the Critical Decentralization Cluster
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dilucide
  • Security of Cardiac Implantable Electronic Devices
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Dimi
  • Einen CLI mit Rust erstellen
  • Powerpoint Karaoke
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dingsda
  • kathadingsda
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Dirk
  • How to render cloud FPGAs useless
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disconnect3d
  • All CTFers and PWNers welcome: Pwndbg meetup
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DJ Baba Grande
  • 4ever punk
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Dj Sloush aka Spitz + Zarrt
  • Dj Sloush + Zarrt
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DK1BOU
  • bauen der xOTA Antenne / building the xOTA antenna
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DK4HAA
  • POTA - Parks on the Air [DAY 3]
  • Lateshift POTA - Parks on the Air
  • FLINTA POTA Party - Parks on the Air
  • POTA - Parks on the Air [DAY 1]
  • Funksender finden mit gehackten Funkgeräten
  • POTA - Parks on the Air [DAY 2]
  • POTA - Parks on the Air [DAY 4]
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dllud
  • The CDC Badge: conference badge & devboard with TROPIC01 and ESP32-S3
  • The CDC Badge: conference badge & devboard with TROPIC01 and ESP32-S3
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doczx
  • Power Play Cycles: Rewriting the Rules of Economic Simulation
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doofus
  • Sbor medžuslovjanskogo jezyka
  • Iznova medžuslovjansky! Igry i zabavy.
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dotmeow
  • let's play geoguessr!
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Dr. Affe
  • Pwn Basics - Hacking Web Applications for Beginners
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Drakulix
  • FLINTA-Singstar [FLINTA* only]
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Drc3p0 (they/them)
  • EMF Explorer Badge Electromagnetic Discovery workshop (Day 2)
  • EMF Explorer Badge Electromagnetic Discovery workshop (Day 3)
  • EMF Explorer Badge Electromagnetic Discovery workshop (Day 1)
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drquaithe
  • Open source hearing technology
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Eduardo Sabella
  • Transkultureller Hack auf die klassische Musikszene – Vortrag und Konzert
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egouvernante
  • Och Menno X Disconnected Unexpected : Elbonian Incident Response : Wie reagiere ich falsch
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Einschiss
  • Mittagspausenpunk live
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Elaha
  • And so it begins - Wie unser Rechtsstaat auf dem Highway Richtung Trumpismus rast – und warum afghanische Kläger*innen für uns die Notbremse ziehen
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Elena
  • Shit for Future: turning human shit into a climate solution
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_Elena_Berlin_
  • GI Meet-up
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Elenos
  • Gepflegtes Grölen am Späti: Antifa-Jodler, Punkrock und Umverteilungs-Hits
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elfy
  • Pwn2Roll: Who Needs a 595€ Remote When You Have wheelchair.py?
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eliah
  • Long Term Support bei Jugend hackt - Infos
  • Long Term Support bei Jugend hackt - Vernetzung
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Elias Zeidler (Northernside)
  • CUII: Wie Konzerne heimlich Webseiten in Deutschland sperren
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Elise Amber Katze
  • Making the Magic Leap past NVIDIA's secure bootchain and breaking some Tesla Autopilots along the way
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EliseZeroTwo
  • Making the Magic Leap past NVIDIA's secure bootchain and breaking some Tesla Autopilots along the way
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Elke Smith
  • Neuroexploitation by Design: Wie Algorithmen in Glücksspielprodukten sich Wirkweisen des Reinforcement Learning und dopaminergen Belohnungssystems zunutze machen
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ElleJay (LJ)
  • Tech-Transcendentalism as Hypermodern Myth and Neofeudal Ideology [all creatures welcome]
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elzbeth
  • Logo! - wir sehen Kindernachrichten
  • Bügelperlen ... aber anders
  • Häkeln für Anfänger
The speaker’s profile picture
Enna Gerhard
  • 1965 + 60 Years of Algorithmic Art with Computers
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Enrico
  • "Kann KI uns den Klima Aktivismus abnehmen?" - aus Sicht eines Jugend-Umwelt-Verbandes
The speaker’s profile picture
e-punc
  • Coffeebots cornern @ Congress
The speaker’s profile picture
e-punc (der / he)
  • Nicht schon wieder Vorratsdatenspeicherung!
  • Wir bauen einen Digital-O-Mat für die Berliner Wahl 2026
  • Omnibus vs. Digitalrechte
  • Unsicherheitspaket 2.0
  • FediDay 2026 Rückblicke und Ausblicke / FediDay 2026 Reviews and outlooks
The speaker’s profile picture
erdgeist
  • Omnibus Halbgarer Machenschaften (OHM #23)
  • CCC-Jahresrückblick
The speaker’s profile picture
Eric Noel Mbiakeu
  • Life on Hold: What Does True Solidarity Look Like Beyond Duldung, Camps, Deportation, and Payment Cards?
The speaker’s profile picture
Erwin Ernst "eest9" Steinhammer
  • Neue Chaos Events - InselChaos und Håck ma’s Castle plaudern aus dem Nähkästchen
  • Amtsgeheimnis raus, Datenhalde rein: was die Informationsfreiheit in Österreich bringt
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Esther Menhard
  • netzpolitik.org Off/On: Off The Record live
The speaker’s profile picture
Etai Darway
  • Etai Darway
The speaker’s profile picture
eugene (he/him)
  • Reform des Nachrichtendienstrechts: Austausch über präventive Schutzkonzepte für hochgefährdete Personen
The speaker’s profile picture
Eva
  • And so it begins - Wie unser Rechtsstaat auf dem Highway Richtung Trumpismus rast – und warum afghanische Kläger*innen für uns die Notbremse ziehen
The speaker’s profile picture
Eva Hoffmann
  • The Heartbreak Machine: Nazis in the Echo Chamber
The speaker’s profile picture
Eva Wolfangel
  • "They Talk Tech" live mit Anne Roth
The speaker’s profile picture
Fabiandreas
  • Ein (fast) werbefreites Internet mit einem PiHole - Filter - Session für Anfänger
The speaker’s profile picture
faji
  • Tales of apartheid
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FantasticMisterFux
  • CCC&T - Cosmic ray, the Climate Catastrophe and Trains.
The speaker’s profile picture
Felix Domke
  • 10 years of Dieselgate
The speaker’s profile picture
Felix Kubin
  • Felix Kubin
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FelixW
  • What Makes Bike-Sharing Work? Insights from 43 Million Kilometers of European Cycling Data
The speaker’s profile picture
Felix Waldner
  • What Makes Bike-Sharing Work? Insights from 43 Million Kilometers of European Cycling Data
The speaker’s profile picture
fence
  • CCC-CH Gettogether
The speaker’s profile picture
Festnacht
  • Festnacht
The speaker’s profile picture
Finona Rider
  • Finona Rider
The speaker’s profile picture
Fiona
  • Der verlängerte Atem pres. Ghost Processes
The speaker’s profile picture
firefly
  • Ende des Haftungsprivilegs für Hosting-Provider? Was das Russmedia-Urteil des EuGH für das Fediverse bedeutet
The speaker’s profile picture
Florian Adamsky
  • Rowhammer in the Wild: Large-Scale Insights from FlippyR.AM
The speaker’s profile picture
Floris Bruynooghe
  • iroh p2p chat over gossip
The speaker’s profile picture
fluorescent_beige
  • Whats new in Reticulum
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flx
  • Amateurfunk im All – Kontakt mit Fram2
The speaker’s profile picture
flysch
  • Widerspruch gegen die elektronische Patientenakte - jetzt gleich hier erledigen
  • Mehr Privatsphäre für Android-Smartphones
  • More privacy for android smartphones
The speaker’s profile picture
FMT
  • Minecraft Commands
The speaker’s profile picture
Fpiras
  • Bio - Hacking - Science
The speaker’s profile picture
Francisco
  • How even the safest places aren't safe from CCTVs
The speaker’s profile picture
Francisco "ArticMine" Cabañas
  • The Bitcoin Security Budget and Its Implications A Look at the Security, Scaling and Spam Resistance of Proof of Work Cryptocurrencies
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Franzi
  • Katzen Öhrchen selber basteln [all creatures welcome]
The speaker’s profile picture
Franziska Görlitz
  • Blackbox Palantir
The speaker’s profile picture
Fraxinas
  • Repair for future
The speaker’s profile picture
Frédéric Hoguin
  • Set-top box Hacking: freeing the 'Freebox'
The speaker’s profile picture
Freedom Not Fear
  • Digital Rights Communities Meetup
  • Introduction to FNF
The speaker’s profile picture
Freeman Slaughter
  • Zero-Knowledge Proofs Workshop
  • Pre-Quantum to Post-Quantum Cryptography
The speaker’s profile picture
freerk
  • SeedSigner DIY Bitcoin signing device build workshop
  • SeedSigner DIY Bitcoin signing device build workshop
The speaker’s profile picture
Friederike von Franqué
  • Ask me anything: Internet Governance
  • Ask me anything: Internet Governance
The speaker’s profile picture
Frieder Nake
  • 1965 + 60 Years of Algorithmic Art with Computers
The speaker’s profile picture
Frieder Steinmetz
  • Bluetooth Headphone Jacking: A Key to Your Phone
The speaker’s profile picture
fuchsi
  • Was ist Awareness? Was macht c3awareness? ❤️‍🩹 What is awareness? What does c3awareness do?
The speaker’s profile picture
fxb
  • Malware Analysis and Binary Triage
The speaker’s profile picture
g00d news
  • g00d news
The speaker’s profile picture
gabel
  • Zwischen Brandanschlägen und Platzbesetzungen: Eine antirassistische Geschichte aus Bern (1980 - 2000)
The speaker’s profile picture
gannimo
  • Not To Be Trusted - A Fiasco in Android TEEs
The speaker’s profile picture
ganzesaetze (he/him)
  • Vegan Chaos: Welcome Meet & Greet
  • Vegan Chaos: Farewell Meeting
  • Vegan Chaos: Bring-Along Fingerfood Brunch
  • Vegan Chaos: Let's Talk (Day 1)
  • Vegan Chaos: Let's Talk (Day 2)
  • Vegan Chaos: Let's Talk (Day 3)
The speaker’s profile picture
Gato
  • Amateurfunk im All – Kontakt mit Fram2
The speaker’s profile picture
Georg Balke
  • What Makes Bike-Sharing Work? Insights from 43 Million Kilometers of European Cycling Data
The speaker’s profile picture
Gerd Kant
  • Roboter-Action mit dem mBot2
  • #unplugTrump – Deine Daten, deine Entscheidung
  • OpenStreetMap
The speaker’s profile picture
ghenny
  • GuteN8Geschichte "Das NEINhorn und die Schlangeweile" - Tag 2
  • Nudeln Hacken / Hacking Noodles
  • Bau dir einen Kritzelbecher
  • Dungeons & Dragons (D&D) - Intro für Junghackerinnen (12 bis 18 Jahre)
  • GuteN8Geschichte "Das NEINhorn und der Geburtstag" - Tag 3
  • Pimp Your Katzenohren
  • Minecraft Education Beginner Workshop (6+)
  • Minecraft Education – Erfahrung, Praktische Einblicke & Austausch
  • Hour of Code - Programmieren mit Minecraft und Code.org
The speaker’s profile picture
Gigi
  • Let’s Talk! Entspannt neue Kontakte knüpfen [FLINTA* only]
The speaker’s profile picture
Gilbert
  • FIfF Meetup
  • Lightning Talks - Tag 2
  • Lightning Talks - Tag 3
The speaker’s profile picture
girogio
  • There is NO WAY we ended up getting arrested for this (Malta edition)
The speaker’s profile picture
girst (Tobi)
  • When 8 Bits is Overkill: Making Blinkenlights with a 1-bit CPU
The speaker’s profile picture
giulioz
  • From Silicon to Darude Sand-storm: breaking famous synthesizer DSPs
The speaker’s profile picture
Gnitze
  • Bündnis Hansaplatz - Coalition Against AI CCTV and Displacement
The speaker’s profile picture
gnom (sie,es / ihr)
  • Regiotreffen
The speaker’s profile picture
GNUtoo
  • GNU Boot install party
The speaker’s profile picture
GPSLeo
  • Wikimedia Commons: Mehr als nur Bilder für Wikipedia - Eine Einführung in das Projekt
  • Wie man mit offenen Geodaten und Wikidata Natur- und Kulturerbe dokumentiert
  • Media needing categories: Wir räumen auf!
The speaker’s profile picture
graham42
  • Light and Sound Badge-Making (choice of 2 kits)
The speaker’s profile picture
grbll
  • Bürgerrat zur biometrischen Authentifizierung der Zukunft - Eine spielerische Diskussion über Regulierungsansätze
The speaker’s profile picture
greenygreenfarmer
  • Hello Qubitty! Your First Steps on a Quantum Computer
The speaker’s profile picture
Gregor Tresher
  • Gregor Tresher
The speaker’s profile picture
Hafid Shaaib
  • Life on Hold: What Does True Solidarity Look Like Beyond Duldung, Camps, Deportation, and Payment Cards?
The speaker’s profile picture
Hajo Noerenberg
  • Hacking washing machines
The speaker’s profile picture
Hamdi
  • Aladdin
The speaker’s profile picture
Hannah Vos
  • Wer hat Angst vor dem Neutralitätsgebot?
The speaker’s profile picture
Hanni
  • Fimi & Nush
The speaker’s profile picture
Hanno Böck
  • Greenhouse Gas Emission Data: Public, difficult to access, and not always correct
The speaker’s profile picture
Harald "LaF0rge" Welte
  • ISDN + POTS Telephony at Congress and Camp
The speaker’s profile picture
Haris
  • Hold my passkey! The passwordless future (not) happening
The speaker’s profile picture
Hauke
  • OpenWrt Meetup
The speaker’s profile picture
Helena Nikonole
  • Coding Dissent: Art, Technology, and Tactical Media
The speaker’s profile picture
Helena Steinhaus
  • Wer liegt hier wem auf der Tasche? Genug mit dem Bürgergeld-Fetisch. Stürmt die Paläste!
The speaker’s profile picture
Hendrik
  • Akronymisierbar - 061
The speaker’s profile picture
Hendrik Ballhausen
  • Über europäische Grenzen hinweg auf klinischen Daten rechnen - aber sicher!
The speaker’s profile picture
Henning Brinkmann
  • Einführung Löthelfer*innen
The speaker’s profile picture
Henri Jäger
  • Cracking open what makes Apple's Low-Latency WiFi so fast
The speaker’s profile picture
Hoid (he/him)
  • Solder your very own IoT Pusheen Cat Lamp with WLED! (Day 3)
  • Solder your very own IoT Pusheen Cat Lamp with WLED! (Day 4)
  • Solder Your Own Meshtastic / Meshcore Node
The speaker’s profile picture
Holger Plickert (WMDE)
  • Wiki Loves Demokratie
  • GLAM digital – Kulturerbe im virtuellen Dialog zugänglich machen
The speaker’s profile picture
HolleLang
  • HolleLang
The speaker’s profile picture
HouseOfTea
  • Welcome to the House of Tea! <3
  • WEKILL//LEAKS "version 0.9" (a card game of courageous publishing and imperialist sh1tf#ckery). launch and playtest.
  • (How) Can we talk about Palestine?
The speaker’s profile picture
How They Vote, Open Parliament TV and Open Data Ranking
  • Powering Transparency: Open Data across Parliaments
The speaker’s profile picture
H-Shaaib
  • Life on Hold: What Does True Solidarity Look Like Beyond Duldung, Camps, Deportation, and Payment Cards?
The speaker’s profile picture
htext
  • Renewable Power Cycles - Patching Democracy
The speaker’s profile picture
hudson
  • Celestial Navigation hands-on
The speaker’s profile picture
hug0
  • FAFO: How we stopped worrying and bought an Electron Microscope
The speaker’s profile picture
Hüp Now
  • Sportbrigade Sparwasser
The speaker’s profile picture
I.
  • (How) Can academic research and activism in SAR interact in solidarity?
The speaker’s profile picture
idk
  • Embedding Anonymity Directly in your Application
The speaker’s profile picture
ilja
  • Escaping Containment: A Security Analysis of FreeBSD Jails
The speaker’s profile picture
Indivisual
  • Let's Talk about Psychedelics, Honey!
The speaker’s profile picture
Indraos
  • Cognitive Effects Meetup
  • Chatbot Memory/Finetuning/Personality Meetup
The speaker’s profile picture
ingo
  • Kimchi Making
The speaker’s profile picture
IngoBlechschmidt
  • Foundation workshop: Hands-on, how does the Internet work?
  • Wie eine Gruppe Nerds einen Wald rettete und nur um Haaresbreite vier Wochen Gefängnis entkam
  • Wondrous mathematics: How does artificial intelligence such as ChatGPT accomplish the feat of learning?
The speaker’s profile picture
Ingo Boss
  • Ingo Boss
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Ingo Dachwitz
  • netzpolitik.org Off/On: Off The Record live
The speaker’s profile picture
Ingo Ebel
  • Binärgewitter Talk
The speaker’s profile picture
IngoKleiber (er/sein)
  • A Primer on LLM Security and Secure LLMOps
  • Python Programming for Absolute Beginners
The speaker’s profile picture
Ingwer Andersen
  • Chaos macht Küche
The speaker’s profile picture
Isabella Kölz
  • Chaotischer schreiben - mehr erzählen. Ein kollaborativer Schreibworkshop zum Congress, für alle, die was zu schreiben haben. [all creatures welcome]
The speaker’s profile picture
isenguard
  • Queering (and Imploding) Drone Usage at EU Borders
The speaker’s profile picture
iusan
  • Selbsthilfegruppe Verwaltungsdigitalisierung (Faxgeräteclub)
The speaker’s profile picture
Jade
  • How To Minimize Bugs in Cryptography Code
The speaker’s profile picture
Jade Sheffey
  • A Tale of Two Leaks: How Hackers Breached the Great Firewall of China
The speaker’s profile picture
Jakob Sponholz
  • Digitale Inklusion: Wie wir digitale Barrierefreiheit für alle erreichen können
The speaker’s profile picture
James Bonne d'age
  • The Maybe Talent Show
The speaker’s profile picture
Jamie
  • Inclusive Yoga Practice: (Body) Diversity by default [all creatures welcome]
The speaker’s profile picture
Jan Dalvik
  • Jan Dalvik
The speaker’s profile picture
Jan Pleskac
  • Lessons from Building an Open-Architecture Secure Element
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jardi
  • Communist meetup #1
The speaker’s profile picture
jardi (He/him, they/them)
  • Communist meetup #1
The speaker’s profile picture
Jaša Hiergeblieben
  • Aber hier Leben? Nein danke! …oder doch? Wie wir der autoritären Zuspitzung begegnen können.
The speaker’s profile picture
Jaša Zugezogen | Polylux
  • Aber hier Leben? Nein danke! …oder doch? Wie wir der autoritären Zuspitzung begegnen können.
The speaker’s profile picture
Jascha Hagen
  • Jascha Hagen
The speaker’s profile picture
Jeanette
  • Betontes Schonen
The speaker’s profile picture
jendrik (any)
  • We show Quadball🏐🤾🏿‍♀️🏳️‍⚧️: brooms, a snitch, six hoop-goals and lots of gender diversity and fun
The speaker’s profile picture
Jens Ohlig
  • Hakuna Data: Eine (sehr kurze) Einführung in Kiswahili, lexikographische Daten auf Wikidata und Wikifunctions
The speaker’s profile picture
Jeremy Rand
  • Namecoin and Tor PKI 2025
  • Occlumask Demo & Brainstorming Session
The speaker’s profile picture
jerezim
  • Cyber-hygiene for highly-exposed journalists and activists
The speaker’s profile picture
jiawen uffline
  • a media-almost-archaeology on data that is too dirty for "AI"
The speaker’s profile picture
Jil
  • Der verlängerte Atem pres. Ghost Processes
The speaker’s profile picture
jinxx
  • Burn Gatekeepers, not Books!
The speaker’s profile picture
Jitter
  • Mesh Radio Workshop
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jitter (this,that)
  • Mesh Radio Workshop
The speaker’s profile picture
jkoe
  • Einführung in StreetComplete für OpenStreetMap
The speaker’s profile picture
Johanna-Leonore Dahlhoff
  • Transkultureller Hack auf die klassische Musikszene – Vortrag und Konzert
The speaker’s profile picture
Johannes Jäger
  • Tech-Transcendentalism as Hypermodern Myth and Neofeudal Ideology [all creatures welcome]
The speaker’s profile picture
Johannes_Max
  • Hack Your Brain Part 2
  • Gewaltfreie Kommunikation
  • Hack Your Brain Part 1
The speaker’s profile picture
Johann Rehberger
  • Agentic ProbLLMs: Exploiting AI Computer-Use and Coding Agents
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johmue
  • Esperanto Schnupperkurs / Esperanto Lightning course
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jomo
  • Privacy Ultras Meetup
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Jonah Brüchert
  • Transitous Meetup
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Joschi Wolf
  • Brennende Wälder und Kommentarspalten - Klimaupdate mit dem FragDenStaat Climate Helpdesk
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Joseph P. De Veaugh-Geiss
  • “End Of 10”: How the FOSS Community is Combatting Software-Driven Resource and Energy Consumption
The speaker’s profile picture
Joshua Babb
  • How to Contribute to Open Source Projects: Stack Wallet, Monero, Tor (Arti!)
The speaker’s profile picture
Joshua Davila
  • Solidarity Finance on P2P Rails
The speaker’s profile picture
jp
  • Chaos im THW Meetup
The speaker’s profile picture
jstc (He / Him)
  • Demo-LARPs / LARPs als Demo: Spiel, Spaß, Verwirrung und klare Kante im Protest
The speaker’s profile picture
Jugend hackt-Team
  • Jugend hackt-Meetup
The speaker’s profile picture
Julian
  • Wie spreche ich IHN an? Mit anderen Männern über Sexismus, Grenzüberschreitung und sexualisierte/ Partnerschafts-Gewalt reden [all creatures welcome]
  • Chaospager - How to construct an Open Pager System for c3
The speaker’s profile picture
JulianeB
  • Recharge your batteries with us - an empowering journey through the energy transition
The speaker’s profile picture
Julis
  • Trickmisch
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Julius Tens
  • Transitous Meetup
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Jürgen Bering
  • Hacking Karlsruhe - 10 years later
The speaker’s profile picture
Juri —〇 Leino
  • What's happening with XSLT?
The speaker’s profile picture
Kai Bojens
  • Für ein europäisches Grundrecht auf Verschlüsselung
The speaker’s profile picture
Kara
  • Bingo
  • FragDenStaat Nutzer*innen-Treffen
  • Bingo
  • Bingo
The speaker’s profile picture
Karim Hamdi
  • Hegemony Eroding: Excavating Diversity in Latent Space
The speaker’s profile picture
KarlaBago
  • Se habla español
The speaker’s profile picture
Karo
  • Landtagsrevue Live - AUA (Ask us Anything)
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Karsten Burger
  • 10 years of Dieselgate
The speaker’s profile picture
Katalyst
  • Packet Analysis for Beginners for FLINTA - an IoT toy, some packets, and Wireshark
  • Payload Picnic [FLINTA* only]
The speaker’s profile picture
kater
  • Power Cycle B7 oder Warum kauft man eine Zeche?
The speaker’s profile picture
Kate Sim
  • Not an Impasse: Child Safety, Privacy, and Healing Together
The speaker’s profile picture
Katharina Nocun
  • Denkangebot: Rainer Mühlhoff über KI und autoritäre Sehnsüchte im Silicon Valley
  • Doomsday-Porn, Schäferhunde und die „niedliche Abschiebung“ von nebenan: Wie autoritäre Akteure KI-generierte Inhalte für Social Media nutzen
The speaker’s profile picture
Kathrin Klapper
  • Digitale Inklusion: Wie wir digitale Barrierefreiheit für alle erreichen können
The speaker’s profile picture
Katika Kühnreich
  • All Sorted by Machines of Loving Grace? "AI", Cybernetics, and Fascism and how to Intervene
The speaker’s profile picture
Katja Ruge
  • Katja Rugeb
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katy13
  • Working With (and Around) Research Infrastructure for Excellent Citizen Science – Understanding User Stories and Needs
  • Share Your Citizen Science: Projects, Pets, and Paths for Collaboration ( Is This Citizen Science — and Do You Want Anything from ECSA?)
  • Astrology as System of thought for Daily Routines (No Fate, No Woo)
The speaker’s profile picture
Kauz
  • OpenAutoLab: photographic film processing machine. Fully automatic and DIY-friendly.
The speaker’s profile picture
Keks
  • Was ist Awareness? Was macht c3awareness? ❤️‍🩹 What is awareness? What does c3awareness do?
  • The 39c3 Drag Show
The speaker’s profile picture
keldo
  • FIfF Meetup
  • Lightning Talks - Tag 2
  • Lightning Talks - Tag 3
The speaker’s profile picture
Kenji Tanak
  • Kenji Tanaka Live
The speaker’s profile picture
Kenji Tanaka
  • Kenji Tanaka LIVE // Insights into my workflow, structure and philosophy
The speaker’s profile picture
Keno
  • Teckids – eine verstehbare (digitale) Welt
The speaker’s profile picture
kenorca
  • Luanti(Minetest)-Mods programmieren
  • Luanti(Minetest)-Mods programmieren
  • Spieleprogrammieren mit PyGame
  • Spieleprogrammieren mit PyGame
The speaker’s profile picture
Keywan Tonekaboni | c’t uplink
  • c’t uplink: Digitale Souveränität – sind Häcker:innen jetzt fürs Staatswohl verantwortlich?
The speaker’s profile picture
khaleesi
  • CCC-Jahresrückblick
  • Chatkontrolle - Ctrl+Alt+Delete
The speaker’s profile picture
khaleesi (she/her)
  • Chatkontrolle STOPPEN!
The speaker’s profile picture
Kilian
  • Akronymisierbar - 061
  • GPTDash – Der Reverse-Turing-Test
The speaker’s profile picture
KI-lian
  • Akronymisierbar - 061
  • GPTDash – Der Reverse-Turing-Test
The speaker’s profile picture
Kira Chen
  • DNGerousLINK: A Deep Dive into WhatsApp 0-Click Exploits on iOS and Samsung Devices
The speaker’s profile picture
Kire
  • Treffen der netzpolitischen Community der Schweiz
  • Netzpolitik in der Schweiz: Zwischen Bodensee und Matterhorn
The speaker’s profile picture
Kirill
  • Open Legal Q&A with Judith de Boer: "Can I Get Arrested for Writing Code?"
The speaker’s profile picture
kiwi
  • Archipel: A local Delay Tolerant Network for humans
The speaker’s profile picture
Klaus Landefeld
  • Live, Die, Repeat: The fight against data retention and boundless access to data
The speaker’s profile picture
Kliment
  • Building hardware - easier than ever - harder than it should be
The speaker’s profile picture
kluthulhu
  • Rope whippings for beginners
  • Seile takeln für Anfänger
The speaker’s profile picture
koehr
  • C3RP - 39C3 Roleplaying Night (because 160min is not enough)
  • C3RP - 39C3 Roleplaying Night (because 80min is not enough)
The speaker’s profile picture
Kohlenpod
  • Power Cycle B7 oder Warum kauft man eine Zeche?
The speaker’s profile picture
koufax
  • Cat Got Your Password: Wi-Fi Self Defense For Beginners (Day 3)
  • Meshcore & Meshtastic for Hackers: Set up, Configure, & Deploy Nodes for Advanced Use (Day 2)
  • Meshcore & Meshtastic for Hackers: Set up, Configure, & Deploy Nodes for Advanced Use (Day 3)
  • Is That an Off-Grid Server in Your Pocket, or Are You Just Happy to See Me?
  • Cat Got Your Password: Wi-Fi Self Defense For Beginners (Day 4)
The speaker’s profile picture
kurisu
  • Safety First, Innovation Last? Überleben als Embedded-Entickler
  • Om-Resonanz: Dein 15-Minuten-Power-Cycle (Atem-Hack für den C3-Reset)
The speaker’s profile picture
lambdaqueer
  • Queer*IT Gathering 🌈
The speaker’s profile picture
langfingaz (he/him)
  • ShapeIt — Open Source 3D Modeller
  • re:luks — Unattended Power Cycles for your FDE Servers
  • Signal, Matrix & Threema Contact Verification Meeting
  • ShapeIt — Open Source 3D Modeller
The speaker’s profile picture
Lars
  • Who cares about the Baltic Jammer? – Terrestrial Navigation in the Baltic Sea Region
The speaker’s profile picture
larsbretthauer
  • Emanzipatorische Antworten auf digitalen Autoritarismus, Überwachungskapitalismus und globalen Rechtsruck?
The speaker’s profile picture
lasii
  • Neue Chaos Events - InselChaos und Håck ma’s Castle plaudern aus dem Nähkästchen
The speaker’s profile picture
Laurin Weger
  • NextGraph Demo: Local First, E2EE, RDF graph DB, and a Reactive ORM SDK
The speaker’s profile picture
lavalaempchen
  • Pub-Quiz für "Nicht-Nerds" [all creatures welcome]
  • CCCrip Auskotzrunde [all creatures welcome]
The speaker’s profile picture
Leibi
  • Kein Palantir BW
  • Tor Relay Operators Meetup
The speaker’s profile picture
Lena Christina Müller
  • Digitale Inklusion: Wie wir digitale Barrierefreiheit für alle erreichen können
The speaker’s profile picture
leohnever
  • tech from below
The speaker’s profile picture
Leo Meyerovich
  • Breaking BOTS: Cheating at Blue Team CTFs with AI Speed-Runs
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Leonard
  • Current Drone Wars
  • RedScout42 – Zur digitalen Wohnungsfrage
The speaker’s profile picture
Leon-Etienne Kühr
  • 51 Ways to Spell the Image Giraffe: The Hidden Politics of Token Languages in Generative AI
The speaker’s profile picture
Lethe
  • Riot Pub Quiz [all creatures welcome]
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Li0n
  • transmasc meetup [all creatures welcome]
The speaker’s profile picture
Liam
  • To sign or not to sign: Practical vulnerabilities in GPG & friends
  • Whats new in Reticulum
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Lila-Zoé Krauß
  • Lila-Zoé Krauß
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lilly
  • Building a NOC from scratch
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Lina Lastname
  • CUII: Wie Konzerne heimlich Webseiten in Deutschland sperren
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Lina & Nele & Peng
  • Lina & Nele & Peng
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Linus Lüssing
  • dn42/Freifunk multicast routing/peering workshop
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Linus Neumann
  • Die Känguru-Rebellion: Digital Independence Day
  • CCC-Jahresrückblick
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lisaholic
  • lisaholic (live beatset)
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Lisa Tschorn
  • Chaotischer schreiben - mehr erzählen. Ein kollaborativer Schreibworkshop zum Congress, für alle, die was zu schreiben haben. [all creatures welcome]
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Lisa Zugezogen
  • Aber hier Leben? Nein danke! …oder doch? Wie wir der autoritären Zuspitzung begegnen können.
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Lizzz (they / she)
  • Transdermal HRT Brewing for Beginners
  • Transdermal HRT Brewing for Beginners placeholder
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LK Seiling
  • We, the EU, and 1064 Danes decided to look into YouTube: A story about how the EU gave us a law, 1064 Danes gave us their YouTube histories, and reality gave us a headache
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Loidi
  • C Code Testing. Let's talk about it!
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Lorenz
  • datarequests.org office hours: We answer your GDPR request questions
  • Datenschutzrechte zum Mitmachen – DSGVO-Anfragen stellen mit Datenanfragen.de
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Lorenz Leutgeb
  • Radicle: P2P, Censorship-Resistant Code Collaboration Based on Git
  • Radicle: Setup and Introduction
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Lori Roussey
  • Suing spyware in Europe: news from the front!
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Lorva (keine/no pronouns)
  • cozy crafting session
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loufo
  • Demo-LARPs / LARPs als Demo: Spiel, Spaß, Verwirrung und klare Kante im Protest
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Loui Beton
  • Loui Beton
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louiT
  • CCC&T - Cosmic ray, the Climate Catastrophe and Trains.
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luap42 (er/ihm, he/him)
  • #TeamDatenschutz-Meetup
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Luca Di Bartolomeo (cyanpencil)
  • Syncing visuals and stage lights against the beat of live music: an introduction
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Lucas Werkmeister
  • Wikidata Live Querying
  • Einführung in Wikidata
  • Einführung SPARQL + Wikidata Query Service
  • Intro to SPARQL and Wikidata Query Service (EN)
  • Wikidata Introduction
  • A whirlwind tour through the land of Wikidata-powered apps
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Lucifer
  • Stop Neurodiverse Discrimination Now
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Lucy
  • Riot Pub Quiz [all creatures welcome]
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Luise Bruche
  • How to: Barrieren brechen mit Open Data [all creatures welcome]
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Lukas Fuchsgruber
  • Wikidata und Kolonialismus in Daten
  • Wikidata and Colonialism in Data
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LukasQ
  • Unnecessarily Complicated Kitchen – Die Wissenschaft des guten Geschmacks
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lukas-schmukas
  • The Maybe Talent Show
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Lukas (veti)
  • Landtagsrevue Live - AUA (Ask us Anything)
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Luke Bjorn Scerri
  • There is NO WAY we ended up getting arrested for this (Malta edition)
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Luna
  • Noob-Meetup
  • Sozialrecht hacken - Hartzen für Fortgeschrittene
  • Wie können wir durch gute Kommunikation über unsere Spielvorlieben mehr Spaß an Pen&Paper-Rollenspiel haben
  • Gesprächsrunde zum Umgang linksradikaler und anarchistischer Kontexte mit "Social Media"
  • Brainstorming - Politischer Kampf und direkte Aktion gegen "KI"
  • Wie können wir durch gute Kommunikation über unsere Spielvorlieben mehr Spaß an Pen&Paper-Rollenspiel haben
  • Congress-Metatalk
  • Vortrag: Wie können wir durch gute Kommunikation über unsere Spielvorlieben mehr Spaß an Pen&Paper-Rollenspiel haben, anschließend Congress-Pen&Paper-Night
  • Congress-Pen&Paper-Night
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Luxis
  • Dissoziative Ressourcen Teilen: Eine DIS-kussion
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Lynn Janzen
  • How to: Barrieren brechen mit Open Data [all creatures welcome]
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lynxis lazus
  • c3gsm: Ask-us-Anything about the 39c3 cellular network
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Lyra Rebane
  • CSS Clicker Training: Making games in a "styling" language
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m4rtin
  • C3GELB: Hygieneschulung nach § 43 IfSG ("Frikadellendiplom")
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Maarten W
  • Human microservices at the Dutch Railways: modern architecture, ancient hardware?
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madonius
  • Flux Variations
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Magnus Ahltorp
  • Climatepoetry.org
  • Visualize Your Texts With Wordrain
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Manuel
  • Atoms in Space
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Manuel Hofmann
  • „KI“, Digitalisierung und Longevity als Fix für ein kaputtes Gesundheitssystem?
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manuelrabade
  • Se habla español
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Manuel Rábade
  • The Small Packet of Bits That Can Save (or Destabilize) a City
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Marc
  • OpenStreetMap Meetup
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Marco
  • Antennas and 3D printing
  • OpenRTX Meetup
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Marco Wähner
  • Auf die Dauer hilft nur Power: Herausforderungen für dezentrale Netzwerke aus Sicht der Soziologie
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Marc-Uwe Kling
  • Die Känguru-Rebellion: Digital Independence Day
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Maria Carolina Pardo Reyes
  • Transkultureller Hack auf die klassische Musikszene – Vortrag und Konzert
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Maria Skeppstedt
  • Climatepoetry.org
  • Visualize Your Texts With Wordrain
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Mario
  • Applying cryptoanarchy in individual and communal sovereignty
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Mario Behling
  • What’s Next with Open Hardware at FOSSASIA and Beyond
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Markus
  • Who cares about the Baltic Jammer? – Terrestrial Navigation in the Baltic Sea Region
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Markus (fin) Hametner
  • Amtsgeheimnis raus, Datenhalde rein: was die Informationsfreiheit in Österreich bringt
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Markus Reuter
  • netzpolitik.org Off/On: Off The Record live
  • Chatkontrolle - Ctrl+Alt+Delete
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MarKuster
  • The Eyes of Photon Science: Imaging, Simulation and the Quest to Make the Invisible Visible
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Marlene Kulla
  • Zwischen Assistenz und KI-(Selbst)-Kontrolle: Generative KI im Berufsfeld Softwareentwicklung
  • Promptbastelei und andere Überlebensstrategien
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Marta
  • Spontaneous Space (Live)
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Martha
  • Scrapergeist - Zeitungsgedichte in retro und visionär
  • Post-Platform Digital Publishing
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Martha Root
  • The Heartbreak Machine: Nazis in the Echo Chamber
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Martin
  • Der verlängerte Atem pres. Ghost Processes
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Martin Heckel
  • Rowhammer in the Wild: Large-Scale Insights from FlippyR.AM
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Martin Lellep
  • What Makes Bike-Sharing Work? Insights from 43 Million Kilometers of European Cycling Data
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Marty
  • Trikkitt: PolyGen Hands on
  • Trikkitt: PolyGen Hands on
  • Christoph Fleischer: Traumtaucher (documentary)
  • Christoph Fleischer: Traumtaucher (documentary)
  • Pony Pracht, Nina Bendix Igleses: »Water to Voice« (live perfomance)
  • Pony Pracht, Nina Bendix Igleses: »Water to Voice« (live perfomance)
  • Power Zeichnen – Machtdynamiken sichtbar machen (Workshop)
  • ΠXL: Noisy Improvised Concert on Analog&Digital Modular Synths (live)
  • Pony Pracht, Nina Bendix Igleses: »Water to Voice« (meet the artist)
  • Power Zeichnen – Machtdynamiken sichtbar machen (Workshop)
  • Christian Faubel: Electronic Oscillators for organic patterns and polyrhythms Jam Session (live)
  • Aylin Leclaire: Electronic live performance (live)
  • ΠXL: Noisy Improvised Concert on Analog&Digital Modular Synths (live)
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Mascha
  • MASCHA
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Mathias
  • P4P Meet & Greet
  • qaul - Decentralized Off-the-Grid Mesh Communication App
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Mathias Jud
  • P4P Meet & Greet
  • qaul - Decentralized Off-the-Grid Mesh Communication App
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Mathias Schindler
  • AI-generated content in Wikipedia - a tale of caution
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mathieui
  • XMPP and metadata
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mation155 (she/her)
  • Perspektiven auf Männlichkeit - Eine Einladung zur gemeinsamen Betrachtung
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Matthias Marx
  • CCC-Jahresrückblick
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Matthias Monroy
  • Trump government demands access to European police databases and biometrics
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Max
  • Chaospager - How to construct an Open Pager System for c3
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max1
  • Security for small engineering teams
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mazzoo
  • Blonkenclick, the ESP32 16 segment RGB blinken clock
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mde (he/him)
  • Fairphone Meetup (all creatures welcome)
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Melanie Bartos
  • ​WissPod Jahresrückblick 2025 oder: KI in der Wissenschaft!?
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melbartos
  • Lessons from a Public University: Bringing Institutions into the Fediverse
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melzai
  • Haecksen für Nicht-Haecksen [all creatures welcome]
  • Vereinskrams bei den Haecksen [all creatures welcome]
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Meredith Whittaker
  • AI Agent, AI Spy
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Merle
  • Bingo
  • Bingo
  • Bingo
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mfi
  • Look what I found! OSINT resources in conflicts
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Michael Smith
  • Escaping Containment: A Security Analysis of FreeBSD Jails
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Michael Weiner
  • FeTAp 611 unplugged: Taking a rotary dial phone to the mobile age
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micu
  • Linux für Einsteiger:innen (Part 1)
  • Linux für Einsteiger:innen (Part 3)
  • Linux für Einsteiger:innen (Part 2)
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Mike Perry
  • A Quick Stop at the HostileShop
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Mikolai Gütschow
  • Von Groschen und SpurLos - GNU Taler auch auf eurem Event!
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Mikroprofessor
  • Power Play Cycles: Rewriting the Rules of Economic Simulation
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Mirweis Neda
  • Transkultureller Hack auf die klassische Musikszene – Vortrag und Konzert
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Mischa Meier (mmisc)
  • Von Fuzzern zu Agenten: Entwicklung eines Cyber Reasoning Systems für die AIxCC
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mitBen (He,him,he-man)
  • Cybersecurity Märchen – Neues aus Nerdistan
  • Cybersecurity Märchen XXL – Neues und Altes aus Nerdistan
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Mitch (he/him)
  • 39C3 LED badge -- SMD for Beginners (Day 1)
  • 39C3 LED badge -- SMD for Beginners (Day 2)
  • Cat Got Your Password: Wi-Fi Self Defense For Beginners (Day 3)
  • Meshcore & Meshtastic for Beginners
  • Surface Mount Electronics Assembly for Terrified Beginners (Day 4)
  • AI-tiny Blinkeshit3000 (SMD reflow for beginners)
  • noisio Levitation OSC Drone Synthesizer
  • Surface Mount Electronics Assembly for Terrified Beginners (Day 3)
  • Blocktris game soldering workshop (not for beginners) (Day 4)
  • Stonehenge Cursed Soldering Challenge
  • Synth Meetup
  • 39C3 LED badge -- SMD for Beginners (Day 3)
  • Meshcore & Meshtastic for Hackers: Set up, Configure, & Deploy Nodes for Advanced Use (Day 2)
  • Meshtastic for Flipper Zero
  • Alwin/CircuitCircle SupaLoopa & Screamo
  • Meshcore & Meshtastic for Hackers: Set up, Configure, & Deploy Nodes for Advanced Use (Day 3)
  • noisio ATtiny Punk Console
  • Is That an Off-Grid Server in Your Pocket, or Are You Just Happy to See Me?
  • Solder your very own IoT Pusheen Cat Lamp with WLED! (Day 3)
  • Cat Got Your Password: Wi-Fi Self Defense For Beginners (Day 4)
  • Make Your Own Brain Machine
  • Blocktris game soldering workshop (not for beginners) (Day 1)
  • Disarray Desnarler -- Build and flash your DIY Macropad
  • Catware Python Sensor Playground
  • noisio 8-bit synthesizers
  • 39C3 LED badge -- SMD for Beginners (Day 4)
  • Solder your very own IoT Pusheen Cat Lamp with WLED! (Day 4)
  • Solder Your Own Meshtastic / Meshcore Node
  • Light and Sound Badge-Making (choice of 2 kits)
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mixy1
  • There is NO WAY we ended up getting arrested for this (Malta edition)
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Momo42
  • Demokratische Schule - Die radikalste Schulart, die es gibt
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Mona
  • Protecting the network data of one billion people: Breaking network crypto in popular Chinese mobile apps
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MoniKa (c4E) (she/her)
  • Fediverse-Meet-Up: Treffen von allen, die Instanzen selber betreiben (möchten)
  • PeerTube-Meet-Up: für alle, die Instanzen selbst betreiben
  • EDU-Meet-Up: Du machst was im Bildungsbereich? Komm dazu! (#cyberLZ)
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monoxyd
  • Omnibus Halbgarer Machenschaften (OHM #23)
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Monsieur Le Schlö
  • Johanna & Monsieur Le Schlö
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monsterchen
  • Nerds spielen Spiele - Tag 2
  • Nerds spielen Spiele - Tag 1
  • Nerds spielen Spiele - Tag 3
  • Nerds spielen Spiele - Tag 4
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MonsterDruide1
  • Super Mario Odyssey(Decomp) — A tale about decompiling and research
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Moritz
  • Fossile Industrie liebt KI!
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moritzl
  • Erfahrungsaustausch zu kommunalem Klimagerechtigkeitsaktivismus
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Moritz Leiner
  • Fossile Industrie liebt KI!
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Moritz Zeising (er/he)
  • Von wegen Eisblumen! Wie man mit Code, Satelliten und Schiffsexpeditionen die bunte Welt des arktischen Phytoplanktons sichtbar macht
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mozdeco
  • Firefox Lead Engineer - Ask Me Anything
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muckla
  • Wie kann gute Männerarbeit gelingen? [all creatures welcome]
  • Männerkreis: Wie kann gute Männerarbeit gelingen? [nur Cis Männer]
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MultisampledNight
  • The Spectrum - Hackspace Beyond Hacking
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Mustafa Mahmoud Yousif
  • Hatupangwingwi: The story how Kenyans fought back against intrusive digital identity systems
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mxtom
  • Build your own solar powerd Lora node
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Naama
  • Little Miss Freedman's Relaxession
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Nadia Heninger
  • Don’t look up: There are sensitive internal links in the clear on GEO satellites
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naerrin
  • Haecksen Power (Cycle) – Dezentralisieren und Rebooten [Haecksen only]
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Nakaner
  • Einstieg in JOSM für fortgeschrittene OpenStreetMapper
  • OpenStreetMap Software Development – Ask us anything!
  • Einführung in den Online-Editor iD
  • Einführung in den Online-Editor iD
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Nami (they/them)
  • How to setup a chatmail relay server, optimized for Delta Chat
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NaN (he/him)
  • Kein Palantir BW
  • What the Guix!?
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Natureshadow
  • Luanti(Minetest)-Mods programmieren
  • Luanti(Minetest)-Mods programmieren
  • Spieleprogrammieren mit PyGame
  • Spieleprogrammieren mit PyGame
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NcamGnrvngu (they/them)
  • Plushie(-verse) Meetup
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@ndi
  • Queering (and Imploding) Drone Usage at EU Borders
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Neina Doroshenko
  • Transkultureller Hack auf die klassische Musikszene – Vortrag und Konzert
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neinzurbezahlkarte
  • Den solidarischen Gutscheintausch mit Unterstützung der App Couponexpress organisieren
  • WTF, nochmal das Ganze? II
  • WTF, nochmal das Ganze?
  • Widerstand gegen Debanking
  • NeinZurBezahlkarte Summit
  • Hackspace Entwicklung einer App für die Dezentralisierung von Gutscheintauschangeboten
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Neo
  • Shitty Robot Battle
  • Shitty Robot Workshop (until 8 a.m.)
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neobrain
  • Breaking architecture barriers: Running x86 games and apps on ARM
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neon_mate
  • Fidgettoys aus alten Fahrradketten [all creatures welcome]
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neox
  • GNU Boot install party
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Nic(er/ihm) (he/him)
  • Lightning Talks
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Nico@Briar
  • Secure Offline Communications: What's Next?
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nicoduck
  • Infrastructure Review
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Nicolas
  • Community data centers - a workshop
  • Community data centers - a workshop
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Nicolas Rougier
  • The art of text (rendering)
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Nico Semsrott
  • PRÜF
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Nika Dubrovsky
  • The Museum of Care: Open-Source Survival Kit Collection
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Niklas
  • Neue Chaos Events - InselChaos und Håck ma’s Castle plaudern aus dem Nähkästchen
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Niklas Hehenkamp
  • Who cares about the Baltic Jammer? – Terrestrial Navigation in the Baltic Sea Region
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Nils Rollshausen
  • Watch Your Kids: Inside a Children's Smartwatch
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Nina
  • Ninsn
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Nina_art&play
  • YMNA
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Nixe
  • Nixe
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noctiluca
  • Payload Picnic [FLINTA* only]
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Norman Müller-Schmitz
  • The Maybe Talent Show
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Northernside
  • CUII: Wie Konzerne heimlich Webseiten in Deutschland sperren
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novider
  • European Health Data Space (EHDS)
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nsr
  • Of Boot Vectors and Double Glitches: Bypassing RP2350's Secure Boot
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Nuri Khadem-Al-Charieh
  • Endlich maschinenlesbare Urteile! Open access für Juristen
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ObserverZero
  • iCoo - A Platform for Activists
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octoprog
  • Textiles 101: Fast Fiber Transform
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offlinemark
  • Operating System Developers (OSdev) Meetup (time/location may change!)
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Okapi
  • Austauschrunde: Wie kann Online-Dating in einem datensicheren, nicht-kommerziellen Safe(r) Space stattfinden? [all creatures welcome]
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Oliotronix
  • GAYLIENZ
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Oliver Ettlin
  • Excuse me, what precise time is It?
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Ome
  • On the Limits of Decentralization
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oxzi
  • Self-Restricting Software Workshop
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pajowu
  • Closing Ceremony
  • Opening Ceremony
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Pascal4F
  • Post für das Nebelhörnchen
  • Nebelhorn
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pascoda
  • Pub-Quiz für "Nicht-Nerds" [all creatures welcome]
  • CCCrip Auskotzrunde [all creatures welcome]
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Patch
  • Laser Beams & Light Streams: Letting Hackers Go Pew Pew, Building Affordable Light-Based Hardware Security Tooling
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Patrick
  • Glasfaser-Spleißworkshop (Junghacker:innentag-Edition)
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Paul
  • Antifa will win!
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Paul Koetter
  • A space odyssey #2: How to study moon rocks from the Soviet sample return mission Luna 24
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Pavel Polach
  • Programming with the TROPIC01 open architecture secure element
  • Programming with the TROPIC01 open architecture secure element
  • The CDC Badge: conference badge & devboard with TROPIC01 and ESP32-S3
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pcbre
  • Malware Analysis and Binary Triage
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penny
  • nach der Revolte. Ein Reisebericht zu Überwachung und Widerstand in Hongkong
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Peter Klohmann
  • Transkultureller Hack auf die klassische Musikszene – Vortrag und Konzert
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Peter Todd
  • Real World Timestamping With OpenTimestamps
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Pez
  • 101 - KinkyGeeks + RopeLabs Beginner Bondage Workshop Part I
  • RopeLabs Rope Jam
  • KinkyGeeks + RopeLabs Beginner Bondage Workshop Part II: Next Steps
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Pez (he/they)
  • 101 - KinkyGeeks + RopeLabs Beginner Bondage Workshop Part I
  • RopeLabs Rope Jam
  • KinkyGeeks + RopeLabs Beginner Bondage Workshop Part II: Next Steps
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phakbert
  • Schiffsromantik
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PhD (he/him)
  • CPU-Entwicklung in Factorio: Wie benutze ich PhD's Factorio CPU und wie schreibe ich dafür Programme?
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PhD (Philipp)
  • CPU Entwicklung in Factorio: Vom D-Flip-Flop bis zum eigenen Betriebssystem
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Philipp
  • Not To Be Trusted - A Fiasco in Android TEEs
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Philipp Ruch
  • Zentrum für Politische Schönheit: Ein Jahr Adenauer SRP+ und der Walter Lübcke Memorial Park
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philis
  • FeMENism?!
  • Bürgerrat zur biometrischen Authentifizierung der Zukunft - Eine spielerische Diskussion über Regulierungsansätze
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Philo
  • Persist, resist, stitch
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phil_vcc (he/him)
  • Vegan Chaos: Welcome Meet & Greet
  • Vegan Chaos: Farewell Meeting
  • Vegan Chaos: Bring-Along Fingerfood Brunch
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Pianostein
  • Antifaschistischer Akkordeon-Punk - Grölen gegen Rechts
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Piko
  • Wählt diesen Workshop! Ein interaktiver Streifzug durch verschiedene Wahlverfahren [all creatures welcome]
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pneutig
  • Nicht schon wieder Vorratsdatenspeicherung!
  • Chatkontrolle STOPPEN!
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pnrd
  • Workshop: Analoge Computer für Anfänger:innen
  • Workshop: Luanti / Minetest Weltenbauer
  • Robo Rallye spielen für Kids
  • EDU-Meet-Up: Du machst was im Bildungsbereich? Komm dazu! (#cyberLZ)
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Polto, Darko
  • New features in Bitcoin self-custody
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PoltoS
  • Making own Z-Wave (or Zigbee) device from scratch and assemble a Z-Wave (or Zigbee/Matter) controller
  • Breaking into Wireless Smart Homes, Z-Wave example
  • Making own Z-Wave (or Zigbee) device from scratch and assemble a Z-Wave (or Zigbee/Matter) controller
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poo
  • FediDay 2026 Rückblicke und Ausblicke / FediDay 2026 Reviews and outlooks
  • Am Arsch des Fediverses/At the bottom of the Fediverse
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Princess
  • antistalking.haecksen.org [all creatures welcome]
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Q Misell
  • All my Deutschlandtickets gone: Fraud at an industrial scale
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qubedmaiska
  • Qubes OS meetup
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quima
  • Bastle ein Haecksen-Licht [kids friendly] [junghackerinnentag] [all creatures welcome]
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Quintessence
  • How to keep Open Source open without leaving our communities open to threats
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quintessence (she/her)
  • Securing Open Source Communities WG (How to keep Open Source open)
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quin (they/them)
  • Perspektiven auf Männlichkeit - Eine Einladung zur gemeinsamen Betrachtung
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Rahel
  • Netzpolitik in der Schweiz: Zwischen Bodensee und Matterhorn
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Rahel Becker
  • Power Cycles statt Burnout – Wie Einflussnahme nicht verpufft
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Rahix
  • Design for 3D-Printing
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Rainer Rehak
  • Community data centers - a workshop
  • Programmierte Kriegsverbrechen? Über KI-Systeme im Kriegseinsatz in Gaza und warum IT-Fachleute sich dazu äußern müssen
  • Community data centers - a workshop
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Ralf Bendrath
  • Throwing your rights under the Omnibus - how the EU's reform agenda threatens to erase a decade of digital rights
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raven (she/her)
  • Selbstgemachtes Leid: Die KinkyGeeks-Bastelwerkstatt
  • Selbstgemachtes Leid: Die KinkyGeeks-Bastelwerkstatt II
  • DIY: Biothane-Handfesseln
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RaverPik
  • Hitstorm aka The Jakob Sister b2b RaverPik
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Raziel
  • Numerical Weather Prediction
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Regines Radsalon
  • Reden über Radfahren - deutschsprachige Fahrradpodcasts
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Resa
  • GI Meet-up
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rhandos
  • [3-in-1] Crafting-Workshop: Häkeln, Sticken und Stricken für Anfänger:innen [all creatures welcome]
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rhandos (she/her)
  • A Visit to the Catacombs of Dammtor
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Rike
  • Cables of Resistance -- Soziale Bewegungen kämpfen global gegen Big Tech (Konferenz 2026)
  • Fossile Industrie liebt KI!
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Robert Mindo
  • A hands-on guide for people who want to install and use Sockstrace.
  • SocksTrace: Preventing Proxy Leaks in Your Applications
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Rob StrobE
  • Rob StrobE
  • The Modular Workshop – The Tunegirl und Rob StrobE
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Romain Malmain
  • Build a Fake Phone, Find Real Bugs: Qualcomm GPU Emulation and Fuzzing with LibAFL QEMU
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Ron
  • Security Nightmares
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Ron Turetzky
  • Mutual Vend - decentralized coop vending machine
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Roos
  • be-BOP: Ethical Commerce, Without the Middlemen
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rositarijtano
  • Unveiling Spyware & 0-Days Linked to Italy
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roso
  • Teilchendetektor im Keller? Ich hab's gemacht! Die Theorie und der Bau einer Funkenkammer
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RoteHilfe
  • Debanking und die Folgen für die Rote Hilfe e.V.
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RSS Disco
  • Analog to Algorithm: RSS Disco’s Underground Journey
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Runtanplan
  • Och Menno X Disconnected Unexpected : Elbonian Incident Response : Wie reagiere ich falsch
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RWE und co enteignen
  • Energie von uns für uns! Vergesellschaftung als Lösung für die Transformation unseres Energiesektors
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Ryta
  • Building the next web
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Sabrina
  • Landtagsrevue Live - AUA (Ask us Anything)
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Salacidre
  • Recharge your batteries with us - an empowering journey through the energy transition
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Sam. Beaumont (PANTH13R)
  • Laser Beams & Light Streams: Letting Hackers Go Pew Pew, Building Affordable Light-Based Hardware Security Tooling
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Samuel_77
  • Wie wir auf den höchsten Kirchturm der Welt stiegen, um der Kirche beim Klimaschutz auf das Dach zu steigen
  • Filmvorführung "Von Menschen, die auf Bäume steigen"
  • Einführung in Waldbesetzungen – Vorstellung der Waldbesetzung im Altdorfer Wald
  • Knoten-Workshop!!11!
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samvie
  • Meet-up Bündnis Offene Netzwerke/ Meet-up Alliance for Open network
  • Advocacy for the Social Web
  • FediDay 2026 Rückblicke und Ausblicke / FediDay 2026 Reviews and outlooks
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Sandra
  • RedScout42 – Zur digitalen Wohnungsfrage
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Sarah
  • [3-in-1] Crafting-Workshop: Häkeln, Sticken und Stricken für Anfänger:innen [all creatures welcome]
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sarah31415
  • How to thrive in chaos, Part II
  • Inklusion and Research Data Management (RDM): Missing visibility of neurodivergent researcher
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Sarah Luisa Wurmer
  • Transkultureller Hack auf die klassische Musikszene – Vortrag und Konzert
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Sassi
  • Erkundung linker Utopien mit der Bravo der Antifa
  • stornoline
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saxnot (he/him)
  • LessWrong Congress Meetup
  • We show Quadball🏐🤾🏿‍♀️🏳️‍⚧️: brooms, a snitch, six hoop-goals and lots of gender diversity and fun
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scherrie
  • GI Meet-up
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Scientress
  • Building a NOC from scratch
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Scott Bauer
  • Build a Fake Phone, Find Real Bugs: Qualcomm GPU Emulation and Fuzzing with LibAFL QEMU
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Sean "xobs" Cross
  • Xous: A Pure-Rust Rethink of the Embedded Operating System
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Sebastian Felix Zappe
  • How to: Barrieren brechen mit Open Data [all creatures welcome]
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sebz
  • Effizientes Finanzmanagement für alle - Über den nachhaltigen Umgang mit Geld
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seejayer (🙊🙉 📵 7880)
  • 🙊 Oral Languages Are Watched, Sign Languages Are Free 🙉
  • 🙊 Oral Languages Are Watched, Sign Languages Are Free 🙉
  • 🙊 Introduction to International Sign at 39C3 🙉
  • 🙊 Oral Languages Are Watched, Sign Languages Are Free 🙉
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segal
  • 3. Congress Skatturnier auf dem 39c3 - 1. Serie
  • 3. Congress Skatturnier auf dem 39c3 - 2. Serie
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Severin von Wnuck-Lipinski
  • Hacking washing machines
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ShadowCone (she/her)
  • hacking medical research for a better transition -- war stories from the backrooms of estrannai.se & co
  • speedrun: hacking medical research in under 4.5 minutes
  • hacking medical research - bonus round
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Shinjo "peremen" Park
  • Learning from South Korean Telco Breaches
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Shipei Qu
  • Skynet Starter Kit: From Embodied AI Jailbreak to Remote Takeover of Humanoid Robots
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shiro
  • Meet the Funders: Sovereign Tech Agency, NLnet, Prototype Fund
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signum
  • Von Groschen und SpurLos - GNU Taler auch auf eurem Event!
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simon123
  • Eigentum: Was soll das?
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Simone Ruf
  • Hacking Karlsruhe - 10 years later
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Simon Schultz
  • Peep-Show für die Polizei. Staatliche Überwachung von Queers in Hamburger Toiletten bis 1980
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Sindre Breda
  • Breaking BOTS: Cheating at Blue Team CTFs with AI Speed-Runs
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sirhcel
  • Introduction to Embedded Rust for beginners (for Hakkaa-Board workshop)
  • Introduction to Embedded Rust for intermediate to advanced participants (for Hakkaa-Board workshop)
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sjaelv
  • The Spectrum - Hackspace Beyond Hacking
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sjaelv (she/they)
  • Austausch Mental Health und Suizidprävention im Chaos / Meetup Mental Health and Suicide Prevention in Chaos
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skickar
  • Cat Got Your Password: Wi-Fi Self Defense For Beginners (Day 3)
  • Meshcore & Meshtastic for Beginners
  • Meshcore & Meshtastic for Hackers: Set up, Configure, & Deploy Nodes for Advanced Use (Day 2)
  • Meshtastic for Flipper Zero
  • Meshcore & Meshtastic for Hackers: Set up, Configure, & Deploy Nodes for Advanced Use (Day 3)
  • Cat Got Your Password: Wi-Fi Self Defense For Beginners (Day 4)
  • Solder Your Own Meshtastic / Meshcore Node
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skorpy
  • Autonomous System (AS) (Owner &) Operator Meetup
  • Freifunk und Gluon Meetup
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skorpy (she/her)
  • Pudding mit Stäbchen essen
  • Freifunk zum Anfassen und Router zum Mitnehmen
  • Freifunk zum Anfassen und Router zum Mitnehmen
  • OpenWrt Meetup
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Slatian
  • Search Engines for the Curious
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slatian (they/them)
  • Search Engine Creators Meetup
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snoopy
  • 🙊 Oral Languages Are Watched, Sign Languages Are Free 🙉
  • 🙊 Oral Languages Are Watched, Sign Languages Are Free 🙉
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Snoopy3109
  • 🙊 Oral Languages Are Watched, Sign Languages Are Free 🙉
  • 🙊 Introduction to International Sign at 39C3 🙉
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so-ka (he / him)
  • Ethical non-monogamy is not only for millenials
  • Ethical Non-Monogamy (ENM) 101 – What are they talking about, and why?
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Sophia Longwe
  • Who runs the www? WSIS+20 and the future of Internet governance
  • Ask me anything: Internet Governance
  • Ask me anything: Internet Governance
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sozialwelten (er/ihn)
  • Fediverse als Business: Gründungsideen und Geschäftsmodelle / Fediverse as a business: start-up ideas and business models
  • Alternative Nutzungsweisen von Microblogging
  • Alternative Nutzungsweisen von Microblogging
  • Fediverse als Business: Gründungsideen und Geschäftsmodelle / Fediverse as a business: start-up ideas and business models
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spark (keine)
  • social work get together
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Spock0010
  • Emergente Systeme, nachhaltige Konflikte, Warum unsere IT nicht an Hacks scheitert – sondern an sich selbst
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stacksmashing
  • Of Boot Vectors and Double Glitches: Bypassing RP2350's Secure Boot
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StefanH
  • Nudeln Hacken / Hacking Noodles 2
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Stefan Pelzer
  • Zentrum für Politische Schönheit: Ein Jahr Adenauer SRP+ und der Walter Lübcke Memorial Park
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Stefan_Streit
  • Elektronische Patientenakte (ePA) - 13 Fragen, ob die ePA eine gute Idee ist
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Stefan, Yannik & Rike
  • Fossile Industrie liebt KI!
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Steffen Braasch
  • Comeflywithus
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Stella
  • Closing Ceremony
  • Opening Ceremony
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Stephan
  • Power Cycle B7 oder Warum kauft man eine Zeche?
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Steuerkarten für Freunde
  • Steuerkarten für Freunde (post-punk, experimental, spoken word)
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Steve
  • Steve Simon
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strafpla.net (he/him)
  • Building antennas and tinkering with them
  • Antennen bauen und damit herumspielen
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Svea Windwehr
  • The Last of Us - Fighting the EU Surveillance Law Apocalypse
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sven
  • Asahi Linux - Porting Linux to Apple Silicon
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Sven Uckermann
  • Och Menno Mode: Power Cycles, Power Suit, Dresscodes WTF
  • Och Menno X Disconnected Unexpected : Elbonian Incident Response : Wie reagiere ich falsch
  • Och Menno – IT und IT Security Uppsis
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SwaP
  • Modern Typesetting and LaTeX Alternative -- Typst Meet-Up
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Sylvester
  • APT Down and the mystery of the burning data centers
  • "Passwort" - der heise security Podcast live vom 39C3
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Sylvia
  • Linux für Einsteiger:innen (Part 1)
  • Linux für Einsteiger:innen (Part 3)
  • Linux für Einsteiger:innen (Part 2)
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t3
  • Repressions and Surveillance of Pro-Palestine Speech in Germany
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tabse
  • Electronic Oscillators for organic patterns and polyrhythms
  • HOW TO BREAK YOUR FACE: Keeping up with the arms race of anti-surveillance recognition tactics.
  • Electronic Oscillators for organic patterns and polyrhythms
  • KI.VooDoo - extracting future sealife with genAI
  • Post-Platform Digital Publishing
  • Empower your non-tech community!
  • Pixelprint:ing with bricks
  • Empower your non-tech community!
  • Pixelprint:ing with bricks
  • Scrapergeist - Zeitungsgedichte in retro und visionär
  • Disability Justice Art as Praxis
  • Post-Platform Digital Publishing
  • HOW TO BREAK YOUR FACE: Keeping up with the arms race of anti-surveillance recognition tactics.
  • KI.VooDoo - extracting future sealife with genAI
  • Pixelprint:ing with bricks
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Takakalle
  • inPunkto
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takuto (he/him)
  • c3gsm: Ask-us-Anything about the 39c3 cellular network
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Tara Merk
  • Community data centers - a workshop
  • Community data centers - a workshop
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t_aus_m (they/them, er/ihm)
  • Fairphone Meetup (all creatures welcome)
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Tautvilas
  • Decentralized Syndication — The Missing Internet Protocol
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Tautvilas Mečinskas
  • Decentralized Syndication — The Missing Internet Protocol
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tbsprs (he/his)
  • 39C3 Schedule App users meetup
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tdr112 (he/him)
  • IoT with Arduino Cloud: Beginner-Friendly Workshop
  • Build Your Own Air Quality Sensor
  • Build Your Own Satellite Ground Station
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tecer
  • Numerical Weather Prediction
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Tesa
  • Zweite Sahne & Olga Rhythmus
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Tess
  • DIY Laptop Music Instruments [all creatures welcome]
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tg-x
  • P2P μVMs: pluralistic composability & interoperability for decentralized networks & applications
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the0 (he his him)
  • 39C3 LED badge -- SMD for Beginners (Day 1)
  • 39C3 LED badge -- SMD for Beginners (Day 2)
  • TBD friends badge soldering workshop
  • 39C3 LED badge -- SMD for Beginners (Day 3)
  • TBD friends badge soldering workshop
  • 39C3 LED badge -- SMD for Beginners (Day 4)
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The one with the braid (she/her)
  • Matrix Community Meetup
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thiesmynther
  • ccchoir rehearsal 2
  • ccchoir rehearsal 1
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Thijs Raymakers
  • Spectre in the real world: Leaking your private data from the cloud with CPU vulnerabilities
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Thistle
  • Mushroomclub
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Thomas Brandt
  • AAA - Ask Advi Anything
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Thomas Knüsel
  • Machine Vision – Vom Algorithmus zum Baumpilz im digitalen Metabolismus
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Thomas Lohninger
  • Throwing your rights under the Omnibus - how the EU's reform agenda threatens to erase a decade of digital rights
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tihmstar
  • Opening pAMDora's box and unleashing a thousand paths on the journey to play Beatsaber custom songs
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TimBorgNetzWerk
  • Digitale Infrastruktur für Videos und Podcasts: WissKomm Wiki Talk, Q&A
  • Digitale Infrastruktur für Videos und Podcasts: WissKomm Wiki Workshop
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Tim Mäcken | Radiomegahertz
  • Podcast Radiomegahertz – MHz rein | kHz raus | Ultraschall.fm mittendrin
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timmod
  • Von der Wäscheklammer bis zur Modell-Kuppelklemme einer Seilbahn
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Tim Philipp Schäfers (TPS)
  • Verlorene Domains, offene Türen - Was alte Behördendomains verraten
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Tim Pritlove
  • The Freak Show Clubhouse
  • Elixir Name Badge Workshop
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Tinabel
  • Tinabel vs Nintendo DS - Chiptune punk and new-wave from Tina Belmont, using Rhythm Core Alpha 2 on Nintendo DSi and 3DS
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Ting-Chun Liu
  • 51 Ways to Spell the Image Giraffe: The Hidden Politics of Token Languages in Generative AI
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tippel radio
  • Tippeln am Rande des Abgrunds
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tntrinh
  • Digitale Kehrwoche: Workshop: wie kann ich Daten bei datensammelnden Webseiten löschen lassen?
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Tny
  • Amateurfunk goes Politik – oder wie ich das Overengineering lernte
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Tobias
  • Handson REUSE.software
  • Running a NGO empowered by with Software Freedom
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Tobias Höller
  • Light in the Dark(net)
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tomate
  • Punkrock-Songtext-Lesung
  • Burn Gatekeepers, not Books!
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Tomate_aka_Radikale_Liebe
  • Demo-LARPs / LARPs als Demo: Spiel, Spaß, Verwirrung und klare Kante im Protest
  • anders streiten lernen
  • Migrantischer Widerstand im Hamburg der 1990er Jahre
  • Friedensliteratur und Antikriegsaktivismus - "Die Waffen nieder" (1889)", "Im Westen nichts Neues (1929)", "Runaround (1942)" & HEUTE?
  • Anarchistischer Antifaschismus, Queere Präfiguration, Progressive Streitkultur & Intersektionale Bündnisse
  • Präfiguration
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Tommi
  • Federating knowledge: exploring ways to bridge wikis and notes
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Tony Wasserka
  • Breaking architecture barriers: Running x86 games and apps on ARM
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Torsten Roeder
  • What You Hack Is What You Mean: 35 Years of Wiring Sense into Text
  • Digital Humanities auf dem 39C3 @ Sendezentrum
  • Digital Humanities Meetup
  • Visualize Your Texts With Wordrain
  • Digital Humanities auf dem 39C3 @ Sendezentrum
  • Digital Humanities Meetup
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Trammell Hudson
  • Celestial navigation with very little math
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trëma
  • Zyklus hacken – Power to the Cycles [all creatures welcome]
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Trikkitt
  • Battling Obsolescence – Keeping an 80s laser tag system alive
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Tschotsch
  • FLINTA* Neurodivergenz-Meetup [FLINTA* only]
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tyncet
  • Nicht schon wieder Vorratsdatenspeicherung!
  • Omnibus vs. Digitalrechte
  • Unsicherheitspaket 2.0
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Udbhav Tiwari
  • AI Agent, AI Spy
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ulif
  • Die UN-Cybercrime-Konvention
  • Key-Signing Party
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Ulrike Wuttke
  • Digital Humanities auf dem 39C3 @ Sendezentrum
  • Digital Humanities Meetup
  • Digital Humanities auf dem 39C3 @ Sendezentrum
  • Digital Humanities Meetup
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Unnamed user
  • Gajek
  • Spontaneous Space (Live)
  • On Out
  • Gwen Wayne
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unsösterreichts.jetzt
  • Eine typisch österreichische Lösung - die Dirndlkoalition
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Vale
  • Störmoment
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VanFanel
  • Build your own Joustmania
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Varia (Sie/Dey/En)
  • Trans* Treff
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vgrass
  • FediDay 2026 Rückblicke und Ausblicke / FediDay 2026 Reviews and outlooks
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Viktor Schlüter
  • Verschlüsselung brechen durch physischen Zugriff - Smartphone Beschlagnahme durch Polizei
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Viv & Flo
  • Flow-Vi
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Vivian Kube
  • Wer hat Angst vor dem Neutralitätsgebot?
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Volker
  • Die Sicherheits_lücke live vom 39c3: die Wissenschaft zu Gast
  • Die Sicherheits_lücke live vom 39c3: Recap
  • Die Sicherheits_lücke live vom 39c3: ein Tag mit der GI
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Volker Krause
  • Transitous Meetup
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VonBelow
  • tech from below
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vrs
  • FHB Cheese Rendezvous 1
  • FHB Cheese Rendezvous 2
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VVVVVAI & Steffen Bennemann
  • VVVVVAI & Steffen Bennemann
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w1ntermute
  • Disclosure at DPA
  • Infrastruktur für Aktivistis
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wackelpudding
  • Against Antisemitsm Jewish Safe Space
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Wandowaiato
  • Wando Waiato & The Morellion
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Wante
  • Wante (DJ Set)
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wdlbrmft
  • Modular Synthesizer Anfängerworkshop mit Software
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Weebz
  • Weebz
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whoami (she/they)
  • Yes, even you can harden your systemd services!
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willem
  • Reverse engineering the Pixel TitanM2 firmware
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willscott
  • Imagining Emergent Network Structures
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Wolfspelz
  • A Decentralized Social Layer for the Web - Meeting People on All Pages
  • Science in Science Fiction: Die reale Wissenschaft von Star Trek und Star Wars
  • Realismus beim SF Weltenbau: Was wir aus der Geschichte über die SF-Zukunft lernen können
  • Hacking Fusion: better Hot-Fusion Technologies that you have not heard about
  • Megastrukturen und Galaktische Imperien (oder: Wie man eine Dyson-Sphäre baut)
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WSR
  • Wald statt Repression - Die Kreativität von Staat und Kapital
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Xeniax
  • Awful interception: misadventures of the russian surveillance machinery
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Xuangan Xiao
  • Skynet Starter Kit: From Embodied AI Jailbreak to Remote Takeover of Humanoid Robots
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Yan 't' Minagawa
  • Communicate with governments with matrix (AMA about ZaPuK)
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Yazz Ewok
  • Yazz Ewok DJ Set
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yellni
  • Wir gründen eine Chaos-WG als solidarisches, selbstverwaltetes Wohnprojekt in Schleswig-Holstein/Hamburg.
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Yizhe Zhuang
  • DNGerousLINK: A Deep Dive into WhatsApp 0-Click Exploits on iOS and Samsung Devices
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ylt
  • web browser fingerprinting: survey of attacks and mitigations
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yolo_crew
  • Lounge Tunes
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yomimono
  • I Hated All The Cross-Stitch Software So I Made My Own: My Deranged Outsider Software Suite For Making Deranged Outsider Art
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Yonghyu "perillamint" Ban
  • Learning from South Korean Telco Breaches
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Yuki
  • The DarkFi super-app
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zackstarkid (he/him (they/them if ur trans))
  • FLINTA* CRUISING**💋🌶️🍑👀💦 (*see description; if this sounds appealing to you it’s probably for you) 18+
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zazakalina (sie/she)
  • Alles smart und sicher? Oder nur Schall und Rauch? Zu den Datenspuren smarter Rauchmelder.
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Zebra
  • Software Liberation Toolbox Exchange
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Zebrarider
  • Mediensucht im digitalen Alltag: Ein offenes Gespräch
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zelf
  • P4P Meet & Greet
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zenme
  • Ethical Non-Monogamy (ENM) 101 – What are they talking about, and why?
  • FAQ Panel 2.0: Your Notes, Our Conversation: Unpacking Your Questions about Ethical Non-Monogamy
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Zerocat
  • Zerocat Chipflasher
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Zhongrui Li
  • DNGerousLINK: A Deep Dive into WhatsApp 0-Click Exploits on iOS and Samsung Devices
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Zikai Xu
  • Skynet Starter Kit: From Embodied AI Jailbreak to Remote Takeover of Humanoid Robots
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Zwelf
  • DDNet Meetup
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ZZEPPOSS
  • Fedi stories in/for/out (EU) Public Admin. Adult version.
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ZZEPPOSS (CPT.)
  • Fedi in/for in (EU) Public Admin. Yet another story.