Sometimes you want something simple for tracking personal tasks for a project. In a recent survey I did, I found a lot of people (including myself) tended to just use notepad for this purpose.
Basically, I wanted the simplicity of using notepad, but with better task-aware support and formatting. For example, indenting task sub-items, marking items done, or collapsing sub-items. Here is the result of a recent prototype for a text-only task manager.
Try it out at here.
Some next steps include making a version that works in Visual Studio.