Mac OSX What ToDo | Size: 1.3 MB What ToDo is a new task management application for MacOS X. Forget post-its stuck to the screen, no more ink scrawls on the palm of your hand — with What ToDo you'll be organized, stay focused and get more done. While it is geared towards the popular work-life management system Getting Things Done, What ToDo is designed to be flexible enough to be used for your own personal to-do system if GTD isn't your thing. To get be more productive in your digital life, try What ToDo today.