HEATKEYS

PTC develops cutting edge product lifecycle management (PLM) tools, 3D design software, and dynamic publishing solutions. Find out why the most innovative companies choose PTC.

Industrial Design content and community site - articles, discussions, interviews and resources.

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YouTube is a place to discover, watch, upload and share videos.

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

CADTutor provides free video tutorials, articles, downloads and a busy community forum for users of AutoCAD and associated software.

The best freeware reviews presented to you by Gizmo

Yahoo! Answers is a new way to find and share information. You can ask questions on any topic, get answers from real people, and share your insights and experience.

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...

CAD Tutorials and Best Practices

The CAD Zone - The Leader in Public Safety and Insurance Software for Over a Decade. The Cad Zone creates drawing Software for the Police, Fire, and Loss Control Industries and pre-plan software

CADsketch takes the lines in your drawings and applies random changes to them. Each line comes out slightly differently, so the results are not predictable - just like t...

AlternativeTo let you find new PC (Windows, Linux), Mac, iPhone, Android, Web/Online software based on applications you already know instead of useless categories. We make each application into a category. (AlternativeTo is sometimes called alternati...