Toga II is a chess program, derivative of Fruit created by Thomas Gaksch. It has more chess knowledge and perhaps a better search algorithm. It is based on Fruit 2.1 and is free.
OpenCity is a 3D city simulator game inspired by Free Reign and written by Duong-Khang Nguyen.
It is coded in C++ and uses OpenGL and the SDL. The latest stable release of the game is version 0.0.62 released October 22nd, 2009. The game is licensed under the GPL
Tonic jest interfejs do gry w szachy przez Internet. Wspierany jest Free Internet Chess Server (www.freechess.org). Tonic oparty jest na kodzie Jina (jinchess.com), który został rozszerzony o wiele konsoli, menadżer kanałów i inne funkcje.