Anahita Social Engine™ is a remarkable open source platform and framework for developing social networking services that enable large groups of people to communicate, collaborate, and share information in highly efficient and accessible ways. Anahita is an ideal solution for Intranets, Online Learning, Community Markets, and Citizens Journalism, to name a few.

WordPress is an open source project, which means there are hundreds of people all over the world working on it - which is more than most commercial platforms.

Started in 2003, WordPress has grown to be the largest self-hosted blogging tool in the world, used on hundreds of thousands of sites (as blogs and cms) and seen by tens of millions of people every day.

Since its creation in 2000, phpBB has become the most widely used open source forum (message board) solution in the world, with millions of people using phpBB on a daily basis.

Whether you want to create a forum for a small community or are looking to set up a large multi-category board for a corporate website, phpBB has the features you need built right in.