A software construction tool
Open and edit the archive files used in over 4200 games.
Vifm is a curses file manager with Vim-like everything.
AZip - A portable Zip Archive Manager
Contributions to Ada bindings to GTK+
A note taking program with WebDAV sync
phpFileManager a complete filesystem management tool on a single file.
Information Manager(split/analyze/compare/combine).
A free cross-platform editor for the DRAKON visual language.
PHP powerful help-desk web software
Java Extensible Genealogy program
Realtime bigdata tool for bit strings up to 2^63 based on AVL forest
MassGeotagger lets you to geotag sets of JPG Photos with GPX logs
Very easy to use databrowser and query console for SQLite3 based on QT
A tool for roleplaying gamemasters