Optical Software Specialists
World class software products for the optical profession.
http://www.specialistdata.co.uk

optastic.com - Tutorials on Optical Networking
Personal homepage for Craig Alan Williamson, author of college humor novel 'A Foreign Education' and blogger for Dadgets.info. Featuring a free download of Craig's outrageous college humor novel.
http://www.optastic.com/

Optical Research Associates
Optical Research Associates offers CODE V optical design software, LightTools illumination design software, and optical engineering services.
http://www.opticalres.com/

Stellar Software.
Beam III, IV, optical raytracer for use by students and optical engineers. Windows and Mac versions available.
http://www.stellarsoftware.com/

Optics Lab
Optical raytracing software for optical design and analysis.
http://www.optics-lab.com

SCIOPT Enterprises
Software for Optical, Laser, and Integrated Optical system design, and Optical Instruments and components representatives
http://www.sciopt.com

Virial, Inc.
Scientific software development and consultig in areas of radiometry, photometry, pyrometry, heat transfer, numerical methods, computer modeling.
http://www.virial.com/

Photon Engineering
Photon Engineering Home Page, Photon sells FRED the premier proven optical engineering software and provides optical, illumination and lens design consulting services and training.
http://www.photonengr.com

Woden Optics
Manufactures Newtonian optical systems, all types of Cassegrain optical systems including an enhanced Ritchey Chretien optical system with integral field corrector, modified Wynn field correctors, plus optical tube assemblies and complete telescopes made from composite materials. Optical testing services are also available.
http://www.wodenoptics.com/

Optical design software
ATMOS the Amateur Telescope Maker Optical design and analisys Software is a program for designing and analizing about thirty telescope configurations . Atmos is easy to use and came at a very affordable price.
http://www.atmos-software.it/