HEATKEYS

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

Scratch: a programming language for everyone. Create interactive stories, games, music and art - and share them online.

Mentor Graphics® is a leader in electronic design automation. We enable companies to develop better electronic products faster and more cost-effectively. Our innovative products and solutions help engineers conquer design challenges in the increasin...

A blog about the development of open source technology

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

Reviews and free software downloads for Windows, Mac, Palm, Pocket PC, and Mobile Phones. The best programs and games. Buy software directly online.

Dassault Systèmes SolidWorks Corp. develops and markets 3D CAD design software, analysis software, and product data management software. SolidWorks is the leading supplier of 3D CAD product design engineering software.

Internet Archive is a non-profit digital library offering free universal access to books, movies & music, as well as 150 billion archived web pages.

Southwest Research Institute, headquartered in San Antonio, TX, multidisciplinary, independent, nonprofit, applied engineering and physical sciences research and development organization.