HEATKEYS

A site for people who think. Intellectual resources, programming, astronomy, science, mathematics, Java applets, HTML instruction, home of Arachnophilia.

Physics software, specializing in optical, electrostatic, and magnetostatic calculations

Only freeware - for Win 95/98/ME/XP/Vista/Win 7. No shareware. Large selection organized by category.

Teleprompter products that are inexpensive and high quality. We also make beamsplitter glass and provide free speech prompter software.

Stellar Software provides Optical Ray Tracers to evaluate the performance of lenses, mirror systems, imagers, microscopes, telescopes, laser beam managers, and photocopiers. Beam4 displays results both graphically and in tabular form.

Flexible Optical B.V. (aka OKO Technologies or OKOTech) develops, manufactures and delivers adaptive optical systems for adaptive wavefront correction and generation in scientific, industrial and medical applications, based on MEMS and piezoelec...

Synopsys

Since 1983, developing the free Unix style operating system GNU, so that computer users can have the freedom to share and improve the software they use.