39C3 Schedule

Conference program app for the Chaos Communication Congress

The 39th Chaos Communication Congress (39C3) takes place in Hamburg

on 27–30 Dec 2025, and is the 2025 edition of the annual four-day

conference on technology, society and utopia organized by the Chaos

Computer Club (CCC) and volunteers.

Congress offers lectures and workshops and various sessions on a

multitude of topics including (but not limited to) information

technology and generally a critical-creative attitude towards

technology and the discussion about the effects of technological

advances on society.

Starting in 1984, Congress has been organized by the community and

appreciates all kinds of participation. You are encouraged to

contribute by volunteering, setting up and hosting hands-on and

self-organized sessions with the other components of your assembly

or presenting your own projects to fellow hackers.

https://events.ccc.de/congress/2025/

Features

* View program by day and rooms (side by side)

* Custom grid layout for smartphones (try landscape mode 🙃) and tablets

* Read detailed descriptions (speaker names, start time, room name, links, ...) of sessions

* Search and filter through all sessions

* Add sessions to favorites list

* Export favorites list

* Setup alarms for individual sessions

* Add sessions to your personal calendar