Mythox Rendering System is an open source photorealistic renderer employing radiosity, ray tracing, photon mapping, BSSRDF and will support
Max, Maya as a plugin. It will run under both Windows and *NIX.
The Alhacen Ray Tracer is an open source real time ray tracer aimed at achieving competitive 3d graphics performance on everyday computers while allowing for dynamic reflections and global illumination. It is written in the C programming language.
What is HRTP anyway? HRTP is a ray tracer with lots of plugins. Why this name? HRTP stands for "Hyperion Ray Tracing Project". I chose this name based on Hyperion, a greek God of Light
A collection of macros for POV-Ray to convert isosurface objects (typically complex and consumes a lot of render time) into simpler mesh objects, increasing render time at the expense of scene parsing time.
An Eclipse plugin for editing and managing textures for POV-Ray (Persistence of Vision Raytracer). Inspired by TextureView and is an addition to PovClipse.