Free Business and Office Software - Open Office (A free full-featured office productivity suite that's compatible with Microsoft Office) - Free Business and Office Software - Free Business & Productivity Software

Free Engineering Software

 AISI Short Span Steel Bridge Software Version 3.0 (free trial)
 AISI Splice Design Software Version 3.0 (free trial)

 Cold-formed steel design software AISIWIN by DEVCO
 Cold-formed steel design software CFSLT by RSG Software
 Continuous beam analysis software WinBeam by CAST

 Free computer software from Florida DOT
 Free software for structural design
 Free structural software - a comprehensive list

 Mathcad application & educational files: A complete list
 Structural Engineering Library 5.1 by ENERCALC (free trial)
 User contributed structural software from SEAOC
 Various engineering & drafting software from AEC Cafe

 If you know of any useful engineering software, email your suggestions to