identi.ca users on Launchpad.
News : The Identi.ca social network service will be moving to a new software platform on June 1, 2013 : http://identi.ca/doc/pumpio
Identi.ca (http://identi.ca/) is an open source social networking and micro-blogging service. Based on StatusNet, a micro-blogging software package built on the OpenMicroBlogging specification, users may send text updates up to 140 characters long in a similar way to Twitter.