Related sites:

• codeplex.com

  CodePlex Archive

  

• redhat.com

  Red Hat - We make open source technologies for the enterprise

  

• postgresql.org

  PostgreSQL: The world's most advanced open source database

  

• asterisk.org

  Open Source Communications Software | Asterisk Official Site

  

• sourcefabric.org

  Sourcefabric  |  Open Source Software for Journalism

  

• lambdasolutions.net

  Build the best eLearning and LMS solution | Lambda Solutions

  

• cocos2d-x.org