Echofon is an easy to use, super-fast Twitter app for the iPhone and iPod Touch.
Allows you to access, search and monitor Mac App Store and iOS App Store.
It converts AVCHD MTS files from Canon, Sony, Panasonic, JVC to Apple.
PeraPeraPrv (P3) is a Pure Java written Twitter client.
Latest brainwave from Richie Hawtin.