3D game engine/framework in C, with Luajit and Python bindings now
A dead simple 2D game library for Go
Inspecting and manipulating NBT as a file system
Chess Database and Toolkit program
Chess Database and PGN viewer
Open and edit the archive files used in over 4200 games.
Zoomable user interface (ZUI) with file manager, file viewers and more
GPS track editor for editing tracks and planning (multiple) day tours
Android, UIQ 3.0, Series 60 Edition 5 open-source software
The ultimate cataloguer
Vtech Creativision and clones. CSL, Salora Manager, Laser 2001
Online War system for IL-2 Sturmovik and Iron Front in ArmA 2
LGSL (Live Game for PHP 5.4-8+: online status for various gameservers
Tool for managing a kendo tournament
functions for 2D/3D graphics + realistic driving simulation
A game engine for console based text games