Clone Hero - Clone Hero is a free rhythm game, which can be played with any 5 or 6 button guitar controller...
The Answer Bank - The Answer Bank is the UK’s leading question-and-answer site.
Osu - Osu is Music, Rhythm, Single and Multiplayer video game developed by Dean Herbert.
wikiHow - wikiHow is a wiki based collaboration to build the world’s largest, highest quality how to manual.
StepMania - Rhythm game for Windows, Mac, and Linux.
AllAnswered - Your Team's Collective Brain All-In-One Knowledge Management System Wiki + Q&A + Workflow + AI