A simple and free chess clock software.
Chess program
A simple 2D-Chess
This is a chess program to help you to organize any chess tournaments
Chat Messenger - Open Source Social Network - Online Chess Game
Sunsetter, a chess, crazyhouse, and bughouse playing program
VR Adrix Java Works - Paged Lists - Action-Entity Model ...
A powerful chess engine written in C++
Divine generator of riddles for arrangement.
An assistant tool for the wargame 'Flying Colors'
Legatus is network playable Renegade Legion