By Cultured Code
Things, the iPhone version of the well known mac desktop app, is an awesome todo manager. Things real power is its UI, it features the traditional task editing functions and a very advanced classifications. You can add new tasks in an inbox, just to put down what you've got to do. Then you can classify them under today, later, someday or schedule them. You can also bundle more advanced tasks as projects. Finally another differentiating feature of the app is its ability to sync with the mac desktop app which makes it a must-have.