Schedule

Day 1 Day 2 Day 3 Day 4

recorded only not recorded only

Tracks

Art & Beauty Entertainment CCC Security Science Hardware & Making Ethics, Society & Politics

08:00

Day 3

OSSSO Blocker 4

SoS Saal 6
09:00

Day 3

Wahlkampf 2025 – Vernetzung, Strategien und der Blick auf progressive Kräfte

SoS Saal 6

politics

democracy
09:05

Day 3

OSSSO Blocker 12

SoS Saal D
09:15

Day 3

Was ist Klimagerechtigkeit und wie kann ich aktiv werden

SoS Saal E

klima

klimagerechtigkeit

aktivismus
10:00

Day 3

A Primer on LLM Security and Secure LLMOps

SoS Saal 6

security

redteaming

llmops

llm

ai
10:00

Day 3

Elektronische Patientenakte - Widerspruch ganz einfach

SoS Saal E

epa

elektronische

opt-out

patientenakte
10:00

Day 3

Schreibworkshop: Konfliktlösung und Sozialkompetenz

SoS Saal D

ccc

regio

ccc-regio
10:00

Day 3

Gleiche Brust für Alle! Reflektionsfragen & oberkörperfreier Spaziergang

queer

feminism

gleichebrustfueralle

diy

emancipation
10:30

Day 3

Georgism Meetup

society

ethics

politics

taxes-and-social-dividends

economics

meetup
11:00

Day 3

Outdoors Workout: Let's sport together! Day 3

workout

sports
11:00

Day 3

What to do with all this Demo(s)-Data?

SoS Saal 6

activism

democracy
11:00

Day 3

Retry lonely@C3

gemeinschaft

community

sharing

care

emotion
11:00

Day 3

Meetup SUMA-EV, MetaGer, OpenWebSearch.EU und Websuche allgemein

meetup

openwebindex

websearch
11:00

Day 3

MEETUP: Nerds with Multiple Sclerosis

multiplesclerosis

sklerose

multiplesklerose

multiple

meetup

ms

sclerosis
11:00

Day 3

„kapitalistische kackscheiße“ oder der Teufelskreis der Produktivitätssteigerung

kapitalismus

workshop
11:30

Day 3

Rust programming language: An absolute beginner workshop with intro presentation

SoS Saal D

workshop

programming

beginner

rustlings

rustlang

rust
11:40

Day 3

Chaos Somatics Space/ c3somatics: Collecting interested persons, visions, drafting governance and rulesets.

SoS Saal 6

somatics

c3somatics

planning
11:59

Day 3

Taskhacker - Day 3

games

fun
12:00

Day 3

Talking about Terminal Protocols

meetup

terminals

programming
12:00

Day 3

Explorations of the Complex Plane [day 3]

art

callforart

workshop
12:30

Day 3

Aktivismus ohne Personenkult und Held*innentum - wie geht das?

SoS Saal E

activism
13:00

Day 3

Signal bots and other adventures with the signal-cli

messaging

automation

commandline

moderation

signal

bot
13:00

Day 3

CmS Grupen Vernetzungs Kick-Off

CMS

Jugend

CCC

Erfa

Chaostreff
13:00

Day 3

Workshop: QR-Code Kreuzstich-Stickerei / Cross Stitch Embroidery

workshop

crafts

embroidery
13:00

Day 3

THW Meet Up - "Neues aus der Anstalt"

kats

behoerdendigitalisierung

thw

katastrophenschutz

verwaltung
13:30

Day 3

[NEW TIME! 13:30 Uhr] Building The Foundations For Open Science: Research Data And Infrastructure Meet-Up

infrastructure

openscience

opendata

researchsoftwareengineering

researchdata

researchsoftware
14:00

Day 3

Maritime Hackers' Meetup

sailing

sea

marine

yacht

yachts

maritime
14:00

Day 3

feminist server chaos

servers

server

feminismus

self-hosting

feminism
14:00

Day 3

Probiotic making&cooking

foodhacking

probiotic

fermentation

workshop
14:30

Day 3

Überwachungsspaziergang

demo
14:30

Day 3

OpenMates meetup. How to build AI that works for the people, not for big tech.

ai

openmates

self-hosted

discussion

open-source

meetup

software-development

web

design

ethics

code
14:30

Day 3

Trust me, I don't know: Detecting hallucinations in chatbots

artificial-intelligence

ai

uncertainty

trustworthiness

llm

neutal-network
14:30

Day 3

Regiotreffen @ 38c3

SoS Saal E

regiotreffen

erfa

chaostreff

ccc

regio
14:30

Day 3

Make space for collapse - (illegal) instructions for collapsing structures (Day 3)

collapsingstructures

cocreation

exploration

sharing

thinking

climatebreakdown

workshop

exchange
15:00

Day 3

Prototype Fund & Friends Meetup

SoS Saal 6

funding
15:00

Day 3

Brainstorming für eine Hacker*innen-Aktivist*innen-Schnittstelle

aktivismus

politics
15:00

Day 3

Introduction Gestickte Pixelart-Textilkunst - Cyber Fems der Zukunft + live sticken

art

embroidery
15:00

Day 3

Fliegendes Chaos Meet-Up
15:00

Day 3

NewPipe User and Developer Meetup

youtube

android

streaming

mediaccc
15:00

Day 3

Lara - Yin Yoga Reading Session

naplab

listening

yoga
15:00

Day 3

Waffeltest

base

waffel

hacking
15:15

Day 3

🪡 Introduction to the embroidery machine (Brother Innovis)

embroidery

sticken
15:30

Day 3

Blocker wegen Umbaupause vor Workshop

SoS Saal D

haecksen
15:30

Day 3

Jujutsu / jj-fzf Meetup

jujutsu

fzf

git

vcs

tui
15:30

Day 3

netzpolitik.org-Leser:innen-Treffen

Meetup
15:30

Day 3

Subincising Gender - an exploration of genital modification and gender identity

baellebad

gender

genitalmodification
15:30

Day 3

Burn, planet, burn? Den Planet einfach brennen lassen?

ki

nachhaltigkeit

sozialebewegung

fun

ai

socialmovement

socialmedia

gamification

sustainability
15:30

Day 3

Selbsthilfegruppe für Menschen in der Energiewirtschaft

energiebranche
16:00

Day 3

DDNet/Teeworlds Meetup

game

meetup

foss
16:00

Day 3

Kognitive und emotionale Prozesse hinter kollektiver Aktion

activism

climatejustice

climbing

science

psychology

climate
16:00

Day 3

Goûter francophone - Interhack x LQDN x CHATONS

fr

meetup
16:00

Day 3

Kirby CMS User Meetup

webdev

development

kirby
16:00

Day 3

CMS, backbone of every university.

cms

edu

campus-management-system
16:00

Day 3

build your own darknet
16:00

Day 3

Open Source FPGA and ASIC Design Meetup

asic

fpga

open-silicon

open-hardware
16:00

Day 3

Hobby Operating System Developers Meetup (new time & location)

meetup

operating-system

kernel

systems-programming

hardware

assembly
16:00

Day 3

Das bisschen Haushalt - Austausch und Ideen sammeln zum Protest gegen Kürzungen

austausch

politik

diy

gesellschaft

community

treffen

society
16:00

Day 3

🕹️ Hack your LLM: Modify chatbot behavior with activation steering

steering

llm

ki

ai

chat

workshop
16:00

Day 3

FAU Meetup für Mitglieder und Interessierte

SoS Saal 6

gewerkschaft

kollektivbetrieb

selbstorganisation

arbeitskampf

kapitalismus

capitalism

anarchism

anarchismus

cooperatives

unions

collectives

organizing

activism
16:00

Day 3

OpenWrt Birthday Party & Meetup

SoS Saal E

linux

network

foss

openwrt
16:30

Day 3

Building shared agendas for local communities with Gancio

shared_calendars

gancio

komona
16:30

Day 3

the story of no beginning and no end, Sigourney & Melody

naplab

meditation

music
16:30

Day 3

Instant Ramen Powder Workshop Day 3

foodhacking

workshop

ramen
16:39

Day 3

Mapping & Hacking: A Critical Approach To Cultural & Immersive Spaces

workshop

skill-sharing

political-art

immersion
17:00

Day 3

Disaster Capitalism in Gaza (Call to Action)

gaza

wartime

economy

hackathon

activism

innovation

humanitarian

intervention
17:00

Day 3

Warum genau Du genau jetzt mit Amateurfunk anfangen solltest 2.0

amateurfunk

afu

hamradio
17:00

Day 3

Romantische und Sexuelle Orientierung - Woher soll ICH das denn wissen? Questioning Meetup

queer
17:00

Day 3

Kulturkampf Zusatzversicherung von Selbstbestimmung selbst gemacht

queer

healthcare
17:00

Day 3

Delta Chat 2025 roadmap and discussions

deltachat
17:00

Day 3

Fantastische Knoten und wo sie zu finden sind

practical

activism

climate

knots

fun

climbing
17:00

Day 3

Event calendar on the Fediverse: Mobilizon Meet-up by Mobilize.berlin

fediverse
17:00

Day 3

Datenpunks and friends meetup

datenpunks

bielefeld

privacy

cryptoparty

netzpolitik

aktivismus

activism

meetup
17:00

Day 3

DFIR Meetup

meetup

dfir

it-forensik

ir
17:30

Day 3

Call for Stories - Meet the artist

beauty

stories

literature

future

video

utopia

art
17:30

Day 3

Yubikey setup party

2fa

fido2

hardware

setup

yubikey
18:00

Day 3

The Sword Of Secrets

cryptography

hardware

exploitation

ctf
18:00

Day 3

Bring Chaos back to Rostock
18:00

Day 3

Vereine gründen in der Schweiz - ein praktisches Beispiel
18:00

Day 3

A New Piracy Application - My Proposal

data

privacy

p2p

piracy
18:00

Day 3

39c3 Bällebad

39c3

dit

baellebad
18:00

Day 3

Roller (derby|skate) Meetup

rollerderby

skate

rollerskates

derby
18:00

Day 3

DECT Hacking Meetup

SoS Saal E

dect

reverse_engineering

rf
18:30

Day 3

In science we trust, in unicorns we believe - Gemeinsames Bekenntnis

environment

religion

science

social
18:30

Day 3

Technical infrastructure in Rojava – between attacks and resistance

radical_democracy

rojava

smash_turkish_fascism

womensliberation

revolution

ecology

noflyzone

defend_kurdistan
18:30

Day 3

Zecke sucht Nerd

activism

skill_exchange

collaboration

self-organised

volunteering

not_recorded

sos
19:00

Day 3

Kybernetik, was nun?

meetup

wissenschaft

philosophie

kybernetik
19:00

Day 3

(some) Hacker Values 3

art

photography

artandresearch

typologicalphotography

callforart

artexhibition

workshoproom
19:00

Day 3

Tunke b2b stinia3000

naplab

ambient

music
19:00

Day 3

SAR (Search and Rescue) Tech Meetup

solidarity

searchandrescue

solidaritaet

freedomofmovement

seenotrettung

migration

bewegungsfreiheit
19:00

Day 3

Chatmail-server for activists (real-life and upcoming usage)

deltachat
19:15

Day 3

Hilfe, ich brauche eine Mediation!

bildung

mediation

conflicts

education

konflikte
19:30

Day 3

Tenants without Landlords co-OPs and RENT

baellebad

tommi
19:30

Day 3

Audio-visual livecoding - deconstructed techno and FPV drone visuals

visual

fpv

drone

performance

visuals

livecoding

foxdot

supercollider

music
19:30

Day 3

Let's Play Netrunner

card-game

scifi

gaming

cyberpunk
19:45

Day 3

Introduction into Anarchism

SoS Saal E

Politics

Anarchism

Introduction
20:00

Day 3

Introducing: The Utopia Trading Card Game

anarchy

spiele

society

explanation

karten

game

play

design

utopia
20:00

Day 3

b.l.a.e.

naplab

ambient

music
20:00

Day 3

Audio software developers meet

audio

software

open-source
20:15

Day 3

Flunkyball Day 3

beer

drinking

get-together

game

flunkyball
20:30

Day 3

Nazis klatschen - Eine antifaschistische PunkRock-Lyrik-Lesung

antifa

lesung

punk

punkrock

lyrik

antifaschismus
20:30

Day 3

Cheese Rendezvous Day 3

foodhacking

cheese

tasting
20:30

Day 3

Writing Workshop | Schreibworkshop

kreativitaet

creativity

writing

schreiben
20:45

Day 3

Bazilian Zouk Social

sport

dancing

zouk
21:00

Day 3

Gedenken für ripley + Memorial for ripley

dezentrale

ripley

cbase
21:00

Day 3

UMSCHALT & STRG+V : Verbündet-Sein für Anfänger (sic!) / SWITCH & CTRL+V : Allyship for beginners

allyship

feminism

self-organization

transformation

education
21:00

Day 3

Nintendo Karaoke

baellebad

karaoke

nintendo
21:15

Day 3

Typst - eine LaTeX Alternative in Rust?

SoS Saal E

open-source

rust
21:30

Day 3

AG KRITIS: Treffen und Austausch

SoS Saal E

Austausch

Treffen

Meetup
21:33

Day 3

Flunki (flunkiball)

beer

sport

bier

tradition

game

play
22:00

Day 3

Speedcoding (JavaScript) 🚀

SoS Saal 6

algorithms

programming

functions

fun

challenge

javascript

42birds
22:00

Day 3

2. Congress Skatturnier auf dem 38c3 - 2. Serie

SoS Saal D

38c3Skat

Skat

Turnier

Skatturnier
22:15

Day 3

Challenge your swing perception - lindy hop social dancing with switching

sport

lindy_hop

dancing

swing
22:30

Day 3

Chinese/Japanese calligraphy meetup

chinese

calligraphy

japanese

kanji
23:00

Day 3

FLINTA* CRUISING💋🌶️🍑👀💦 (*see description; if this sounds appealing to you it’s probably for you)

social

networking

lgbtq

relationships

flinta
23:00

Day 3

Tor Relay Operators Meetup & State of the Onion Operators

SoS Saal 6
23:50

Day 3

Consciousness, Fractals, and Psychedelics - Experience Sharing Session

SoS Saal E
00:00

Day 3

Deltachat Webxdc hacking session

webxdc

deltachat
00:00

Day 3

Electronic Instruments Jam

synthesizer

music
00:30

Day 3

Mewing session 2 (working, open end)

mewing

grindset

mew

sigma

looksmaxxing
00:30

Day 3

Illegal Hebocon

fckrlf

hebocon
01:00

Day 3

OSSSO Blocker 7

SoS Saal 6
01:00

Day 3

Shitty Robots Workshop Teil 2/2

SoS Saal D

arduino

robotik

esp8266

hebocon

batterie

motor

shitty

robots

hardware

upcycling
02:00

Day 3

OSSSO Blocker 8

SoS Saal 6
02:30

Day 3

Hosting Pirate Archives and Shadow Libraries

SoS Saal E
03:00

Day 3

OSSSO Blocker 9

SoS Saal 6
04:00

Day 3

OSSSO Blocker 10

SoS Saal E