Java ray tracing engine distributed under the GNU General Public License. Images, screenshots, download, and feature list.

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.

An object oriented library with API in C++ and Python for synthetic rendering, which provides a common environment and description language to treat light distribution in three dimensional spaces. Available for Linux and Windows.

A raytracer trying to aid lighting designers and architects by predicting the light levels and appearance of a space prior to construction. It uses a hybrid approach of Monte Carlo and deterministic ray tracing. Available for Unix.

An overview non technical article on ray tracing also covering some history of the subject.

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

Lots of information on ray tracing. Updated once or twice a year.

An extensible system for creating ray-traced images. It is written in C, yacc, and lex, and runs on Unix, AmigaOS, OS/2, DOS and Older MacOS.

A Java ray-tracer running as a applet that wants to be simple and clean but nonetheless has some advanced features.

Ray tracing library written in c++ with python bindings. Source code, documentation, galleries, tutorials available. Binaries for Windows, seems to be portable to Unix platforms.