HEATKEYS

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

Instructables is the Biggest How To and DIY community where people make and share inspiring, entertaining, and useful projects, recipes, and hacks.

Academia.edu helps academics follow the latest research.

World Biggest Site for Arduino Projects – Tutorials – Ebooks – Project Ideas

MAKE brings the do-it-yourself 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, hack, ...

Facebook is a social utility that connects people with friends and others who work, study and live around them. People use Facebook to keep up with friends, upload an unlimited number of photos, post links and videos, and learn more about the people ...

IndieGoGo is a collaborative way to fund ideas. Founded on the principles of opportunity, transparency, choice, and action, IndieGoGo launched in 2008 to provide any idea (creative, cause or entrepreneurial) the tools and process to raise money, offe...

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

Freecode maintains the Web