Found today via del/pop: Twitdom, an online catalog (listing Twitter apps), using only WordPress and a few plugins. On the same topic, don't miss Wingee and Free Shipping which are quite impressive.
Day: January 5, 2009
The almighty DD32, who is responsible for a number of WordPress features including the plugin updater and installer, has put up a quick documentation of the WordPress Plugin information API (used to fetch informations from the official plugin repository). WordPress hackers: bookmark it. (And, ho, by the way: happy new year everybody:)