Facile interacts with your Facebook account, allowing you to view your friends' statuses as well as update your own. It is like Twitterific for Facebook, but uglier. Facile is in the very early stages of development, but as I already find it useful, I thought I would release an early version. It currently runs on OS X Tiger and higher, but subsequent releases may be Leopard-only.
Mac OS X 10.4 or later, Facebook account