A simple raytracer in development, it supports the basic features of a raytracer along with multi-threading. Many platforms are supported (Win32, Linux, and iPAQ).

A basic introduction to building a ray tracer, with some pointers to more advanced subjects at the end.

Article on Ray Tracing in the student magazine of the ACM.

Information about raytracing in general, with a how-to section and an A-Z reference. Technical articles and a gallery of images renderd with the VRWorld4 raytracer developed by the author, and humour.

A realtime raytracing engine with downloadable benchmark, screenshots and information. Windows 95/98/me/2000.

An open source volume modeling and rendering library for unix. The interface facilitates the majority of significant developments in the field to date.

R.I.S.E. is an open source global illumination renderer for producing physically and biologically based photo realistic images. Product specifications, gallery, documentation, and downloads. [Windows, Linux, SunOS, Irix 6.5, Sun Solaris]

Home of the Lparser, the program reads a Lsystem description and processes it into a 3d form which can then be output in several formats, including VRML, DXF and POV.

Discuss programming techniques, algorithms and productions related to realtime raytracing, both software or hardware based.

Raytracing system written in Common Lisp. It trys to become good classical raytracer: reasonably efficient, with a good selection of primitives, advanced texturing capabilities, animation support, and probably integration of the scripting environment ...