Software5.com is a leading software sites including software programs, developer, programers, java, software engineering, web application deployment tool, freeware, shareware, and much more.

Engineering

Listings
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.
http://www.stellarsoftware.com/
Natural gas industry software for the design, analysis, and modeling of pressure, flow, and stress values in compressible fluid (gas) distribution, transmission, gathering, and plant piping systems. The developer - Bradley B Bean, PE is located in Colorado Springs, Colorado.
http://www.b3pe.com
Exa Corporation provides products and services for simulation & driven design. CFD Simulation for the .mechanical engineering marketpace.
http://www.caetek.com
Chempute software sells software covering the chemical, mechanical, electrical, and instrumentation engineering disciplines.Within these fields, we specialise in pipe stress analysis, pressure vessel design, process flowsheet simulation and cost estimating.
http://www.chempute.com