HEATKEYS

RC Groups - the most active Radio Control model community: electric and fuel rc airplanes,rc helis,rc boats and rc cars. Features discussion forums, blogs, videos and classifieds.

Desktop Engineering Magazine, Technology for Design Engineering: Mechanical Computer-Aided Design, Computers and Peripherals, Analysis/Computer-Aided Engineering, Rapid Prototyping & Modeling/Reverse Engineering

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.

We’re developing open source industrial machines that can be made for a fraction of commercial costs, and sharing our designs online for free. The goal of Open Source Ecology is to create an open source economy – an efficient economy which increa...

MAKE brings the do-it-yourself (DIY) mindset to all the technology in your life. MAKE is loaded with exciting projects that help you make the most of your technology at home and away from home. This is a magazine that celebrates your right to tweak, ...

Find the software you

Newest and free downloads of freeware software titles.

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

Ultimate Technology Directories by TenLinks find and organize sites in all subjects of interest to Technology professionals.