Dolphin is an Open-source web based smart Community Builder that allow you to create your own secure, modifiable and reliable online Communities, social networks and dating sites. It is a simple-to-manage and easy-to-customize universal web community script written in PHP and uses MySQL database backend for database.
It has a lot of features & options such as Innovative Builders for site customization, video chat, recorder, video player, forums, groups, events, video messenger, Whiteboards, Shout box, Presence, mailbox, desktop app, video sharing, photo sharing, iPhone app and much more to create very unique and successful online community website.
Dolphin also provides simple yet sophisticated tools to build your own community site, but you can go further with the power of open source and a large, helpful and active community with over 50,000 members.
Download : http://www.boonex.com/dolphin/