Points Import for SolidWorks 

Points Import for SolidWorks is a add-in for SolidWorks. This plug-in gives SolidWorks the ability to import points from text files.
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STL Import for SolidWorks 

STL Import for SolidWorks is an add-in for SolidWorks. This add-in gives SolidWorks the ability to import graphical data from ASCII as well as binary Stereolithography (STL) files.
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ModelPress Desktop 

Use ModelPress Desktop to view, measure and publish Multi-format 3D CAD formts to open Solidworks, Solid Edge, Inventor, IGES, STL, VRML and more. View, measure, explode, cross section, locate parts by name, etc. Publish all or part to 3DF & DWF.
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MITCalc3D for SolidWorks 

This multi-language calculation package includes solutions for gearing, belt, chain, springs, beam, shaft, and many others. MITCalc support 2D and 3D CAD systems, Imperial and Metric units and many international standards (ANSI, ISO, DIN?.).
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MITCalc 

This multi-language calculation package includes solutions for gearing, belt, chain, springs, beam, shaft, and many others. MITCalc support 2D (and 3D) CAD systems, Imperial and Metric units and many international standards (ANSI, ISO, DIN?.).
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ModelPress 

The free ModelPress System provides publishing 3D files to a web-ready format and visualization application that can be embedded in other applications or in web pages for web-delivery and viewing. Add Visual Rights security to published models.
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