Lighting calculation software targeted at industrial lighting applications.

A lighting simulation and visualization package based on Superlite and Radiance.

A lighting calculation program for Windows with free standard version for electrical lighting. Pro version adds daylighting and US format luminaire data import.

Lighting calculation and visualization software for daylighting and electric lighting prediction. Products include AGI32, AGI-Light, Photometric Toolbox32 and WebZC.

Lighting calculation software such as Lumen Micro and the Simply Lighting series.

Radiance based lighting design and architectural visualisation software. Lighting design glossary.

Lighting calculation software for Windows and Macintosh. Allows to determine lamp selection and fixture spacing for general, task, and art lighting.

Performs exterior direct lighting calculations within your AutoCAD drawing session.

Offers Olivia and Fiona software packages to check your outdoor lighting design for compliance with dark sky requirements and unobstrusiveness.

The Perfect Lite series of lighting calculation programs for MS-DOS.