RetroArch is a frontend for emulators, game engines and media players.
Zoomable user interface (ZUI) with file manager, file viewers and more
A promising chess program
Delphi Java - VRCalc++ OOSL (Script) and + (Binary Exec Distro)
A funny game for a good company similar to karaoke
A cross-platform interpreter for many point-and-click adventure games
A simple turn-based artillery game and also a real-time strategy game.
The papper brain game.
Nurikabe, a great game.
A home Poker tournament organizer / blind timer.
A 2D RPG written in Java and OpenGL