Adobe AIR

IdentiTwitch
Supports Identi.ca and Twitter. Combines updates into a single timeline. Update one or both services with one click.
Apps, Desktop Apps
Adobe AIR
2
Posty
Supports Identi.ca, Twitter, Jaiku, Pownce, Tumblr and FriendFeed.
Apps, Desktop Apps
Adobe AIR
0
Spaz
Open source. Supports Twitter, identi.ca/StatusNet, and Ping.fm.
Apps, Desktop Apps, Mobile Apps
Adobe AIR, Palm Pre
4.2
Statuzer
Supports all StatusNet installs (inc. identi.ca) and Twitter. Multimedia features. Filters toolbox.
Apps, Desktop Apps
Adobe AIR
4.4375
Twhirl
Supports Identi.ca and other StatusNet installs, Twitter, FriendFeed, Seesmic.
Apps, Desktop Apps
Adobe AIR
0.1
Twitterfield
Supports identi.ca, Twitter, TWiT Army, and Linux Infusion. Combines updates into a single timeline.
Apps, Desktop Apps
Adobe AIR
3