NoseRub only defines the social network and some basic content types like media, links, micropublishing and text. You can now add all your contacts to a NoseRub network and aggregate several social networks into just one.

Partuza is an example Open Social - Social Network Site that uses Apache Shindig.

NationBuilder is a radical and fun new way to run your country, state, city, neighborhood, corporation
or non-profit completely democratically with thousands of people over the internet.

Ozcode is the source code behind Ozmozr.com, a microformat-aware RSS aggregator, social networking, resource sharing, identity aggregation and presentation site.Ozcode is the source code behind Ozmozr.com, a microformat-aware RSS aggregator, social networking, resource sharing, identity aggregation and presentation site.

Mahara is an open source e-portfolio system with a flexible display framework. Mahara, meaning 'think' or 'thought' in Te Reo Māori, is user centred environment with a permissions framework that enables different views of an e-portfolio to be easily managed. Mahara also features a weblog, resume builder and social networking system, connecting users and creating online learner communities.

 This web site lets people post their environmental cleanup experiences. Whether you go to a beach, to a picnic, or on a hiking trip, think about how to bring some trash back home from the outdoors...