UCI chess engine
Scripts and tools for Windows.
Chess Database and PGN viewer
Free, large chess game collection in a database for Scid
Chess analysis, training and testing for Windows.
A GNU/Linux operating system accessible for visually impaired.
Delphi Java - VRCalc++ OOSL (Script) and + (Binary Exec Distro)
A promising chess program
Java Schach Turnierverwaltung / Java Chess Tournament Management
A free and open source sudoku game for addicts to newbies
VR Adrix Java Works - Paged Lists - Action-Entity Model ...
UCI chess GUI
Parabator 3 - Rush of the Wind - Free 3d board game / license lgpl
Parabator 3 - Rush of the Wind 1.4.3 (Xtreme3D Engine) Free board game
Sudoku Assistant
Parabator 2 - Free 3d board game
Parabator 2 - Free 3d board game created on Xtreme3d engine
Attention! This tiny board/shooter game just created for fun
Java Schach Turnierverwaltung / Java Chess Tournament Management
OpenSource and DIY real electronic darts game
Pairing software for round-robin tournament (Schurig table)