Open Source Social Network : Open Source Social Network also know as OSSN is a social networking software written in PHP.
Open Source Social Network

Open Source Social Network Screenshot
Overview
Open Source Social Network also know as OSSN is a social networking software written in PHP. Open Source Social Network allows you to make a social networking website, helps your members build social relationships with people who share similar professional or personal interests.

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Features

  • Realtime activity notifications, newsfeed, instant chat
  • Photo, Video sharing
  • Blogs, forums, wiki
  • Groups, events, friends
  • Comment, tag, rate any kind of content
  • Privacy and profile customization
  • Collaboration, file sharing, video-conference tools