Bandcamp helps artists sell their music and merch directly to their fans, and helps fans discover new music and directly support those who make it.

Yahoo! Groups offers free mailing lists, photo & file sharing, group calendars and more. Discuss hot topics, share interests, join online communit...

Twitter is without a doubt the best way to share and discover what is happening right now.

The Trossen Robotics Community is the place to be to collaborate on anything to do with robotics technology. Share knowledge, ideas, opinions, or simp...

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

OpenOffice.org: The Free, Open Source Office Suite

Build a list of your favorite movies by ranking them against each other, share and compare with friends, and discover the top films you

Free Games and Building Games! A virtual world for kids with user-created castles, cars, spaceships, swords, battles, trucks, zombies and awesome des...