MITCalc is a multi-language calculation package includes solutions for gearing, belt, springs, beam, shaft, tolerances and many others. MITCalc support 2D and 3D CAD systems, Imperial and Metric units and many international standards ANSI, ISO, EN...
Mechanical/Structural DWG Design for progeCAD AutoCAD DWG Clone, No learning curve for AutoCAD users. Get AutoCAD functionality for 1/10th the cost. AutoLISP, VBA, ADS programming, import from PDF, Advanced Rendering, 3D ACIS Solid Modeling.