Inspecting and manipulating NBT as a file system
FlightGear Flight Simulator: free open-source multiplatform flight sim
Open and edit the archive files used in over 4200 games.
Zoomable user interface (ZUI) with file manager, file viewers and more
The ultimate cataloguer
Program for tournament management.
Cross-platform real-time strategy game (3D)
functions for 2D/3D graphics + realistic driving simulation
Tool for managing a kendo tournament
SDL based generic 2D game engine
LGSL (Live Game for PHP 5.4-8+: online status for various gameservers
Online War system for IL-2 Sturmovik and Iron Front in ArmA 2
Console based rcon client for minecraft servers.
A cross platform Lua based game engine
A Python program/library aimed at GD-ROM image files.
Multidocument automation by templates - for sphinx, mkdocs, epydoc ...
Low-latency, high quality voice chat for gamers
Free MMORPG