SocialEngine - Socialengine PHP: Elevating Your Online Community Experience.
Refined GitHub - Browser extension that makes GitHub cleaner & more powerful
JomSocial - Open Source Social Networking Software. Award winning open source community software by JomSocial. This social networking software is widely used by many Joomla users.
Gitstalk - Discover what your favorite GitHub users are up to
EasySocial - Social Network For Joomla to grow your communities with the least time.
Board for Github - A webview based GitHub project app with native features