Maemo

Heybuddy
An Identi.ca client written in python for the n900 and other maemo devices. Also runs admirably on desktop Linux.    
Apps, Desktop Apps, Linux, Mobile Apps
Maemo
4.4
Mauku 2.0
Mauku 2.0 can connect to Twitter and Twitter-compatible services, like StatusNet and Qaiku. Support for Facebook and Jaiku will be available soon.
Apps, Mobile Apps
Maemo
1
Witter
Supports multiple Identi.ca and Twitter accounts.
Apps, Mobile Apps
Maemo
0