Twitter

a Multi-Protocol Messenger, supports StatusNet and Identi.ca natively as of version 1.4, as well as good general XMPP support. Multiple StatusNet accounts as well as other microblogging services such...
Apps, Desktop Apps, Mac OS X
4.22222
AndStatus is a traffic-efficient microblogging client for Twitter, GNU social (StatusNet) and pump.io, for Android devices. It combines your accounts in all Microblogging systems into one Timeline...
Apps, Android, Mobile Apps
4.166665
Annotations is a StatusNet Plugin to attach arbitrary custom semantic metadata to notices (like Twitter Annotations, cf. http://dev.twitter.com/pages/annotations_overview).
Plugins, Integration
3.8125
Supports Status.Net via Twitter Advanced Settings as of v0.34.1. See instructions
Apps, Desktop Apps
multi-system, Twitter
4.333335