Elgg : Elgg empowers individuals, groups and institutions to create their own fully-featured social environment.
Elgg

Elgg Screenshot
Overview
Elgg empowers individuals, groups and institutions to create their own fully-featured social environment. Elgg, started in 2004, is an open source social engine which powers all kinds of social environments - from education and business to martial arts and rugby. If you are looking for a professional social intranet or want to run a site for your organisation, Elgg is a great choice.

Visit Site

Features

  • Activity
  • Profile
  • Notifications
  • Groups
  • Blog
  • Embed
  • media
  • Files
  • The wire
  • Pages
  • External pages
  • Dashboard
  • Social bookmarking
  • Categories
  • Access
  • Other goodness