YouOS was a "web operating system" prototype; it is no longer alive.

It was developed by WebShaka, Inc., a Y-Combinator funded company. WebShaka went on to start Project Wedding, a wedding planning site that was acquired by eHarmony, Inc. in July 2008.

• An application community.
  Everyone from professional software engineers to high school age programmers can participate at no cost. Choose from a growing list of over 725 released applications developed by our users.