HackADay!

From useful and entertaining how-tos and hacks, to delicious recipes and outrageous inventions, Instructables is the place to explore, document, and share your creations. With over 100k tutorials in technology, workshop, living, and more, we have the largest collection of do-it-yourself projects created by others just like you.

Wikifab is a wiki-based site. The platform documents instructions for simple and technical projects. You can create new tutorials for projects or make edits to current projects to enhance them.

Hackster is a community dedicated to learning hardware.