mooSocial is described as 'is the best social network script to create a niche community or social site. It is features packed, highly configurable, expandable with many quality add-ons. It is easily accessible thru mobile web or Android and iOS' and is an app in the Social & Communications category. There are more than 10 alternatives to mooSocial for a variety of platforms, including Online / Web-based, Self-Hosted solutions, PHP, Linux and Joomla. The best alternative is HumHub, which is both free and Open Source. Other great apps like mooSocial are BuddyPress (Free, Open Source), Yammer (Paid), Elgg (Free, Open Source) and Oxwall (Paid).
Social networking in a box. Build a social network for your company, school, sports team or niche community all based on the power and flexibility of WordPress. Install BuddyPress directly through your WordPress dashboard plugins page, or download it manually from the WordPress.
SocialEngine is a PHP-based white label social network platform. Advanced social networking features include blogs, photo albums, user groups and forums, providing complete control over the layout and functionality of your social network, community, or portal.