3D Rad A programmable, user-friendly, 3D real-time engine which allows you to build interactive 3D worlds by simply placing animated and intelligent 3D objects into a virtual scenery. http://www.3drad.com/

3D Graphic Engines List A comprehensive list of free and commercial graphics engines http://cg.cs.tu-berlin.de/~ki/engines.html

Obsidian An open source 3D virtual world for Linux and OpenGL. http://www.zog.net.au/computers/obsidian/

Havok Software development kit for PC, PS2, and Mac. http://www.havok.com/

Simpren 3D renderer DLL based on the Direct3D. [Only for testing] http://simpren.tripod.com/

Amp II A 3D Game Design System that provides fast scene rendering with per pixel lighting, bump mapping, specular highlighting and stencil shadowing used to create stunning real time graphics. http://www.4drulers.com/amp.html

Chris Hecker/Texture Mapping Perspective Texture Mapping by Chris Hecker http://www.gamers.org/dEngine/quake/papers/checker_texmap.html

Phil Frisbie's Programming Page My personal 3D game programming pages. You will find several past and present projects, most with full source code. http://www.geocities.com/SiliconValley/Lakes/7220/

Fly3D Game Engine Includes latest downloads, demos, and documentation (full reference, guide and tutorials). http://fly3d.com.br/

Tremble 3D A powerful Wolfenstein 3D style game engine written using for QuickBasic. http://www.tremble3d.co.uk/

3D GameStudio Create 2D and 3D games using a visual interface and a JavaScript style programming language. Latest versions includes support for pixel and vertex shaders, physics and high-quality rendering. http://www.conitec.net/a4info.htm

Bill's DirectX Site Direct3D Immediate Mode Games Programming Samples with DirectX 5, 6, and 7, compiled in Visual C++. http://hometown.aol.com/billybop7/

Subshock HQ The headquarters of the Subshock 3D Games programming group. http://www.tekscode.com/

Aztica Developers of 6DX, a DirectX 3D engine for Windows that can be used with C++, Java, Delphi and Visual Basic. http://www.aztica.com/

sbdev A series of tutorials on raycasting and 3D Programming without a 3D API. http://www.sbdev.pwp.blueyonder.co.uk/

3D Graphics Math A mathematical overview of computer graphics starting with model space and advancing down the graphics pipeline through world space, all the way to device space. http://cs.fit.edu/~wds/classes/graphics/

3D Graphics Pattern Recognition Programming projects in OpenGL and Java3D that demonstrate artificial intelligence and pattern recognition useful in 3D games programming. http://www.geocities.com/cohvi/projects.htm

Programming Multimedia and 3D in Realtime SouthGreece - the OpenGL Trender implementation; Trender SDL - a software-only realtime renderer of 3D Studio files; Earth - a Linux renderer that uses Voodoo cards to show a simple model of the earth and the sun; 3DEnvMap - a Real-time 3D Renderer with Gouraud-Shaded Environment Mapping. http://www.softlab.ece.ntua.gr/~ttsiod/

3d engines programming in Java and MS-DOS Information on programming various types of 3D engines (raycasting, indoor, landscape) in Java and MS-DOS. Source code available. http://www.geocities.com/siliconvalley/campus/5009/

Golgotha Forever the game, and I4, the game SDK. http://golgotha.sourceforge.net/