Madeline 2.0 Pedigree Drawing Engine (PDE)
Strong 2D & 3D graphics engine
A really simple (following K.I.S.S statement) ray tracing project.
Virtual Camera representation using the Toric Space
Can convert from/to many 3D mesh file formats
Standalone software for photo editing and digital painting.
Lightweight embedded font engine
3D File format viewer/explorer
XNA based game engine completely written in c#
Universal graphics translator
PHIGS (Programmer's Hierarchical Interactive Graphics System)
Multimedia asset management and manipulator for Étoilé
shader editor
Java 2D graphics/utility library
Open Source photo Library Software