UCI chess engine
X-Plane plugin that displays a tablet to aid VR usage
3D Procedural Game Engine Using OpenGL
computer opponent for the board game Blokus
... the open-source glide computer
Zoomable user interface (ZUI) with file manager, file viewers and more
A free Chess program for Windows with a large set of features
Bots for the Half-Life mod Firearms 3.0 and Day of Defeat 1.3
An isometric arcade-style game of skill, puzzles and exploration
LDraw™ editor for LEGO® style digital building instructions.
Janken - A Simple Rock, Paper, Scissors Game
Modernized traditional finger/hand guessing cricket
Convert PSID and RSID files into C64 executables
Trains quickly score reading and piano playing (MIDI-keyboard)
A simulator for drones, cars and more, built on Unreal Engine
a race scenario drawing tool
Spring is a free RTS engine developed for Windows, Linux and Mac OS X.