RenderDoc is a stand-alone graphics debugging tool
Innovative user interfaces made easy
Orx: Portable Game Engine
Simple, fast, safe, compiled language for developing software
The open-asset-importer-library repository
The regex-centric, fast lexical analyzer generator for C++
Everything you need to build and deploy scalable realtime 3D apps
Delphi : VRCalc++ OOSL & + (Paged List, TextEditor, VRAstroVision ...)
Cinema Enters Game Console
ZED OS the clone of Windows XP
Smart phone automation tool. Support iOS, Android, WebApp and game
Build Cross-platform Applications
Highly customizable library for procedural world generation
3D .NET engine for Windows, Linux, Mac
The solution to all your problems
C-Lesh is a game programming language for 2D games.
Java based Open source Voxel Engine for RTS games