Design and Drafting 
Developer of software products for lighting designers.
http://www.design-drafting.com/West Side Systems 
Developer and publisher of personal computer products for entertainment lighting design.
http://www.westsidesystems.com/
MacLux Pro 
Complete lighting design software for Macintosh and Power Macintosh computers.
http://www.macluxpro.com/
MultiMusic Ltd. 
DMX Light lighting control software for use with a parallel port DMX adapter.
http://wwwwin.wplus.net/pp/multimusic/
Martin ProSceniumDMX 
A simple, general-purpose, PC-based DMX-512 multimedia lighting controller.
http://www.digimedia-mls.com/dmxplus/
Integra, Inc. 
Developers of software for physically accurate lighting simulation, image rendering, daylighting, optically complex paint design, and 3D reconstruction from photos.
http://www.integra.co.jp
Future Light 
Developer of a lighting design software package and a lighting rentals add-on for the A4 accounting package. Also, manufacturer and distributor of orchestra shell lighting and other products.
http://www.future-light.com
Axis Entertainment 
Axis DMX Controller software allows computer control of intelligent DMX512 devices. Free fully functional demo download.
http://www.axisdmx.com/
CAST Lighting Limited 
Developer of the WYSIWYG suite of lighting design programs. WYSIWYG is a complete CAD program that incorporates a paperwork system and real-time visualization of lighting cues with photorealistic rendering.
http://www.castlighting.com
New Method Lasers 
Developers of the X29 family of laser light show programming software. Full featured true 3D system suited to creating long, complex shows from scratch. No programming knowledge required.
http://www.laser-light-show.com/software.htm
John McKernon Software and Lighting Design 
Software tools for the design and planning of show lighting.
http://www.mckernon.com/
LuxArt Conception 
Design software for lighting professionals.
http://www.luxart.com/
Lighting Resource: Software 
Information about lighting software for energy management, application design, simulation/visualization, and luminaire design. Part of the Lighting Resource online directory.
http://www.lightingresource.com/0search/Cat.asp?CatID=37
ShowCAD Control Systems Ltd. 
Manufacturers of PC-based DMX lighting and show control systems.
http://www.showcad.com/
VXCO Licht und Showtechnik 
DMXCreator PC based lighting controller may be used with USB and LPT to DMX512 interfaces to control DMX512 fixtures.
http://www.dmx512.ch