QDo is the free simple App that helps keep you focused on your next task, and puts your to-do queue a click away. QDo lets you store your to-do list in a simple text file using a flexible format. You can group tasks into milestones, and enter time estimates for your tasks. QDo monitors changes to your to-do file and automatically computes the total time and number of tasks remaining. You can always see your task summary and very next task from a light-weight menu icon. Click on the next task to open your to-do file.