Free todo list and task manager: Todoist. To do list, simple, easy, fast, sharable: Ta-da List. Doomi. A to do list application. HiTask - free online task management. Potion Factory. The Hit List helps you manage the daily chaos of your modern life. It's easy to learn — it's as easy as making lists. And it's powerful enough to let you plan, then forget, then act when the time is right. A to-do list to organize your tasks. Remember The Milk. Tasks. ToDo Lists.