Updated emulator of Forgotten Realms: Unlimited Adventures
Game engine supporting many 3D/2D formats and graphic effects
Make games with Lego-like building blocks
Unity3D Client And C# Server Framework
Hungry Hero is an open source Flash game built on Starling Framework.
ThinkPHP Framework
A game framework written with osu! in mind.
Free and Open Game Programming Language for Windows and GNU/Linux
An isometric arcade-style game of skill, puzzles and exploration
Cross-platform 2D and 3D game engine
A free 3D game engine to create games and realtimes scenes for Windows
Solve, explore and create Sudokus
Ze Text Adventure game Builder : Create as you play !
Asphyre is a cross-platform framework for Delphi and FreePascal.
Open Source Virtual World and MMOG Development Platform
ReShade is a generic post-processing injector for games and videos.
JavaScript framework to build game engines, games, emulators and apps
3D .NET engine for Windows, Linux, Mac