HEATKEYS

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...

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.

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

Popular Mechanics is a service magazine covering a variety of information on home improvement, automotive needs, electronics, computers, telecommunications, outdoors, fitness and science and technology. Popular Mechanics also features product evaluat...

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

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

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

Craftsmanspace contains free woodworking and metalworking DIY (do it yourself) project plans and patterns with detailed manufacture and assemblage descrfiption.

Structural Mechanics Corporation Structural Mechanics Corporation provides complete engineering and project management services from design, analysis, R&D, prototype fabrication, testing to international business support

Proven AutoCAD DWG alternative. View, convert and edit Auto CAD DWG, DXF, PDF with progeCAD IntelliCAD. Download Autodesk Auto CAD compatible software.

CAD – sometimes spelled CADD- is an acronym for Computer Aided Design. Put simply, CAD is the process of using software to create a model of your design in a virtual environment before incurring the cost of testing them in the real world.