DIALUX
DIALux, a complete and free software with the ability to import from and export to all CAD programs and photorealistic visualization with an integrated ray tracer.
Software
Plugin

RELUX
The Relux Professional calculation and light design program is now available in a new version free of charge.
http://www.relux.biz/

HEVACOMP
Hevacomp provides a comprehensive package of building services design software for Mechanical and Electrical services. http://www.hevacomp.com/
Other Lighting Software

In addition to our own lighting design software LUXvision, there are other packages which incorporate our photometric data.

You can follow the links on the right hand side of the page to find out more about this other software.

We also have photometric data available to download in Eulumdat format for other program that are able to import this data. If you need the data in any other format, please contact us with your requirements.
Eulumdat Data  
Eulumdat data in a self extracting .exe file, please read readme.txt for more information