Framework for producing web-based database applications
Arianne is an engine to develop multiplayer online games like Stendhal
A planetarium software that shows a 3D simulation of the night sky
A fun realistic multiplayer free-and-open-source first-person-shooter!
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
Teach your students how to figure out tricky texts in any language.
Playing Go with web-based turn-based Go server
oGame-like browser space realtime strategy game based on xNova
starrydb is game server engine
Repository of desktops and programs for the Cygwin platform
3D .NET engine for Windows, Linux, Mac
X-Windows Lap Counter
plugin-based RPG manager in C++ and Qt5
A 3D game engine in java.