Hi All,
The following website has number of free civil engineering software and design sheets.
Softwares
Continuous beam analyzer -> https://sites.google.com/site/samsoninfinite/home/beam-analyzer
2D Truss Analyzer -> https://sites.google.com/site/samsoninfinite/home/plane-truss-analyzer
2D Frame Analyzer -> https://sites.google.com/site/samsoninfinite/home/plane-frame-analyzer
Plane Stress Analyzer -> https://sites.google.com/site/samsoninfinite/home/plane-stress-analyzer
3D Truss and 3D Frame analyzer under development
Design Sheets
Beam Design ACI code -> https://sites.google.com/site/samsoninfinite/design-spreadsheets/rc-beam-aci-code-design-concrete
Steel girder Offshore structure design -> https://sites.google.com/site/samsoninfinite/design-spreadsheets/t-girder-design-steel
This website is constantly updated.
Regards
Zap Bran