Contact cbdev at irc://irc.freenode.net/

Non-exhaustive list of things:
/kit - Stuff I wrote for university
/akadns - Simple DNSmasq dynamic host name API/Frontend thingy
/traccoon - Multithreaded BitTorrent tracker with SQLite backend
/historic - Snippets & Programs found on old Backups & Machines, archived mainly for sentimental value (might occasionally contain good stuff)
/shell - Some useful shell scripts for automating minor tasks
otp.c - RFC 4226/6238 compatible single-call OTP token generation library, compatible to Google's Two-Factor-Auth.

Stuff on external Locations:
matrix-tools - Simple file-based matrix manipulation toolchain
seatping - Share your location in lecture halls at the KIT

And, since it's fashionable to have that these days...
My GitHub Account