Noosfero is an open source web application platform for creating and managing collaborative online communities. It was designed to be an open source alternative to existing social networks and content management systems, and is aimed at protecting user privacy while enabling users to share and collaborate with each other. Noosfero consists of a set of applications that provide tools for users to create a website, manage content, communicate with other users, and create a community. It is a complete set of tools for building social networks, wikis, blogs, forums, portals, and other web applications. It is built on the Ruby on Rails framework and uses the PostgreSQL database. Noosfero is equipped with a range of features, such as user profiles, activity streams, comments, likes, shares, group collaboration tools, private messaging, and more. It also provides integration with other applications and services, such as Twitter, Facebook, and Google Docs.
Discontinued The 11in1.org site is no longer available. The latest version, 1.0.1, released in August 2011, is still available with source code on SourceForge.