Downloadable Open Source Social Networking ApplicationsOpen Social Networking
Affelio "Affelio is open-source social networking software / architecture. It has following features: (1)distributed architecture (2)Internet-wide scalability, (3)Extensivity with opened Affelio API for developers, and (4)high custamizability with skins/templates."
AstroSPACES "AstroSPACES is the world's first open source social networking solution. Coded from scratch, it is highly efficient and very easy to use."
blogBOX "blogBOX is a free and open source social networking system written in PHP. Future versions will be written i Python/Django."
Elgg is an open source social networking platform based around choice, flexibility and openness: a system that firmly places individuals at the centre of their activities. Your users have the freedom to incorporate all their favorite tools within one environment and showcase their content with as many or as few people as they choose, all within a social networking site that you control. Elgg represents a shift from aging, top-down classroom technologies like Blackboard to what e-learning practitioners call personal learning environments -- mashup spaces comprising del.icio.us feeds, blog posts, podcast widgets -- whatever resources students need to document, consume or communicate their learning across disciplines. "Elgg is an open source social networking platform developed for LAMP (Linux, Apache, MySQL, PHP) which encompasses weblogging, file storage, RSS aggregation, personal profiles, FOAF functionality and more."
FlightFeather: Social Networking Platform "FlightFeather's goal is "social networking for everyone". This means that anyone should have a chance to run a popular social networking site -- on minimal hardware, and without wasting bandwidth."
FriendPortal - An Open Source Friendster "An open-source, Friendster-like social networking portal and news site written in PHP. Post and read news plus browse through contacts like you would in Friendster, Orkut, Tribe.net or Ringo with the knowledge that your personal information is safe."
Geek Grep "GeekGrep is a Django based social-networking system designed to get geeks connected with each other. The main feature is a database of geek codes and the ability to search them. See our project web site for a design template of the future site."