CDS Civil Engineering Software for Contouring and Volumes as well as COGO routines. Softree Software features Terrain Tools, a quick and easy freeware mapping package. GrSoft Structural Analysis Software and Software Components including Punching Analyzer. Expert Estimation by Pronamics is elemental estimating software for engineering and construction that allows you full control over your estimates to produce better estimates quicker. Java Digital Filter Design - Java applets which may be freely used to design digital filters of many types, including types not to be found on other sites.
Multilingual site has free demo.
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