Midnight Inbox 1.1 - GTD to-do list and file manager. (Demo):
Midnight Inbox 1.1
Midnight Inbox is, at first glance, a to-do list and file manager.
Users of Mac OS X Tiger will find its clean lines and elegant typography make it the best in its class for keeping lists and notes.
But for those of us who want to become more productive using David Allen's Getting Things Done techniques, Midnight Inbox offers much, much more.