efg's Computer Lab
A large number of Delphi projects involving Image Processing, Color, Graphics, Mathematics, Fractals and Chaos. http://www.efg2.com/Lab/
Engine3D
A 3D rendering engine for Delphi. Uses no external libraries such as OpenGL or DirectX. Implements Gouraud shading for high quality curved surfaces. Fast enough to be used for real-time 3D animation or games. [Open source] http://geocities.com/peter_bone_uk/engine3d
GLScene
3D OpenGL based library for Delphi. [Open Source, Mozilla Public License] http://glscene.sourceforge.net/index.php
Sulaco
Delphi, OpenGL, game development and graphics site. It currently have over 160 tutorials online. http://www.sulaco.co.za/
Renegade3D
Demos and source code of realtime 3D graphics using OpenGL and the GLScene 3D library for Delphi. http://uk.geocities.com/rjklindsay/renegade3d/
Delphi3D
Dedicated to programming with the focus on OpenGL. Includes articles and source code. http://delphi3d.freeservers.com/