HEATKEYS

Thousands of file extensions with detailed information about each file type, including a list of programs that open the files.

Music, movies, TV, shows and now friends. Get connected on iTunes 10.

Mac Forums is a discussion forum for Mac, Apple, iPhone and iPod related topics. Find great Windows to Apple switchover questions and answers as well.

Sensei

Dreamcss.com is a web 2.0 tools and application review guide and online tutor for tech bloggers, designers and developers

SourceForge.net. Fast, secure and free downloads from the largest Open Source applications and software directory

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...

Quora is a continually improving collection of questions and answers created, edited, and organized by everyone who uses it.

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

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

Free viewer and publisher software to view, print, and review eDrawings, AutoCAD, DWG, DXF and SolidWorks files;Publish eDrawings directly from SolidWorks, AutoCAD, Pro/ENGINEER and CATIA

Mac News and Rumors Discussion Forums