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 light-weight Twitter, pump.io and StatusNet client for Android. It features multiple User accounts in all supported Microblogging systems and allows you to work offline, including...
Apps, Android, Mobile Apps
4.285715
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
4.454545
Supports Status.Net via Twitter Advanced Settings as of v0.34.1. See instructions
Apps, Desktop Apps
multi-system, Twitter
4.333335