Contributes to Calligra Suite, Parley, and RSIBreak .
Contributes to Drumstick (as ‘plcl’), KDE Playground (as ‘pedrol’), and Virtual MIDI Piano Keyboard (as ‘plcl’) .
Contributes to Calligra Suite, KDE PIM, and Qt 4 .
Contributes to Tux Paint (as ‘wkendrick’) .
Contributes to KStars .
Contributes to Nix-Files project (as ‘alex-w’), Encyclopedia, and Geo::ModMETAR (as ‘alex-w’) .
Contributes to pyvat, pycountry, and Online Labs cloud .
Contributes to ezcontentstaging (as ‘Patrick Allaert’), Xdebug (as ‘Patrick Allaert’), and eZ Publish extension for Oracle database (as ‘Patrick Allaert’) .
Contributes to KDE Support Libraries (as ‘repinc’), Eigen, and KDE PIM Libraries .
Contributes to ACS Sampling System GUI (as ‘ahoffsta’), Alma Common Software (as ‘ahoffsta’), and Control System for an Amateur Telescope (as ‘ahoffsta’) .