Blitz Engine
Crystal Space
DemoGL
Genesis3D
GraphiX
IsometriX
MathEngine
Morfit 3D Engine
Rex Sound Engine
Telekinesys
3D Engine List

3D Cafe
Mappy
Moray
Paint Shop Pro
POVLAB
POV-RAY

OpenGL
DirectX
Glide
MGL
CDX
DXMgr
Allegro
Chilkat
ClanLib
Nuke Game Library
Aureal A3D
Creative Labs Developer Resources
GLUT
Mesa3D
RAD Game Tools
Universal Save
WildTangent Web Driver

Adventure Game Engine
Adventure Maker
O.H.R.RPG.C.E.
VERGE

Character Pack
SpriteLib
Spriteworks