RenderDoc is a stand-alone graphics debugging tool
Orx: Portable Game Engine
The open-asset-importer-library repository
Delphi : VRCalc++ OOSL & + (Paged List, TextEditor, VRAstroVision ...)
Everything you need to build and deploy scalable realtime 3D apps
Free 32/64/16-bit multi-platform Pascal and Object Pascal compiler
Cinema Enters Game Console
ZED OS the clone of Windows XP
Build Cross-platform Applications
Asphyre is a cross-platform framework for Delphi and FreePascal.
Highly customizable library for procedural world generation
3D .NET engine for Windows, Linux, Mac
C-Lesh is a game programming language for 2D games.
A cross-platform OpenGL based lightweight scenegraph library
Java based Open source Voxel Engine for RTS games