The electronic dart board with superpowers: An interactive web interface, a "dartabase", adaptive background music, etc. - powered by an Arduino and a Raspberry Pi!
Songprompter shows song texts, chords and other information. It is built into a robust stage-ready case and can be controlled with a foot switch. (Link to website in German.)
AGTL is a all-in-one tool for geocaching. Developed originally for the Openmoko Freerunner smartphone and later for the Nokia N900 and N9, it also runs on desktop linux systems.
Equipped with a Raspberry Pi and a camera, my roomba not only collects dust when cleaning my flat but also data. Using a web interface, the roomba can be controlled from anywhere on earth. (Link to a talk in German.)
Totmann is a dead man's switch or watchdog timer for your cron jobs. It notifies you via email when your scheduled jobs are not running on time, or when jobs finish with errors.
FrOSCH is the Free and Open Source Conference Helper. It is a conference system created for Pi and More. It currently supports visitor registration and "call for contributions", and it manages rooms, contributions, and speakers. Future extensions are planned.
VCWalker recursively checks SVN or GIT repositories for remote and local changes. By default, VCWalker shows whether remote changes, local (committed) changes, and locally modified or added files are present. It can also attempt to update (or pull) remote changes, and to automatically upgrade SVN repositories to the latest on-disk format of SVN (upgrade).
