HEATKEYS

Gears simulator, free download. Gears simulator 3: Design and simulate gears (spur and helical, external and internal meshes, trains), friction wheels, belt and chain drives.

Autodesk is a world leader in 3D design software for manufacturing, building, construction, engineering, and entertainment. Since introducing AutoCAD in 1982, Autodesk has developed a broad portfolio of 3D CAD software programs to help users visualiz...

Instructables is the Biggest How To and DIY community where people make and share inspiring, entertaining, and useful projects, recipes, and hacks.

Technology News & Reviews for Digital Prototyping and Simulation with Autodesk Manufacturing and Civil CAD Software

Freebyte, Your guide to the Web. Free software, clipart, images, music, games, jokes, anti-virus, dictionaries, pims, operating systems, programming tools, news, weather, screensavers, ebooks, etc.

This is a discussion forum used to discuss the FIRST Robotics Competition.

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Scientific physics forums for professionals and students to discuss serious issues and topics regarding physics in theory, practice, study and reality. Students can also find help for homework and career perspectives

MathWorks is the world’s leading developer of technical computing software for engineers and scientists in industry, government, and education

GrabCAD - a free CAD model library with 2D / 3D CAD files available for software like SolidWorks, AutoCAD, Autodesk Inventor, Solid Edge, SketchUp etc.

AR-CAD offers free and inexpensive 3D CAD Software with Motion Simulation Capabilities, namely freeCAD, StCAD. IN-Motion is a motion and dynamic simulation developed for Autodesk Inventor.

MSC Software Corporation – CAE Software and Services to Optimize Product Development.