What To Do is a software that can help you organize efficient and optimized task lists. It is fully customizable allowing you to structure them according to your needs. To do this, just simply enter your task lists with information related to it and the program will immediately display the number of possible combinations. It comes with a small tutorial, that will help you master all of its features in no time. What To Do is a free software that will occupy only 580 kb on your hard disk.