SwiftShader is a high-performance CPU-based implementation
An ICC-based CMM for color management
A free, high-quality, and portable font engine
realistic driving simulation + functions for 2D/3D graphics
Updated emulator of Forgotten Realms: Unlimited Adventures
A customizable 3D platform for agent-based AI research
Cross-platform 2D and 3D game engine
3D Software Renderer in 700 Lines
A really simple (following K.I.S.S statement) ray tracing project.
Standalone software for photo editing and digital painting.
Lightweight embedded font engine
Universal graphics translator
PHIGS (Programmer's Hierarchical Interactive Graphics System)
Multimedia asset management and manipulator for Étoilé
Java 2D graphics/utility library
an interactive 3D viewing program
Software for data analysis, image processing, simulations, solver.
3D game engine for C and C++