Keeping track your to do list is always an important thing and its useful when you have a mobile app for keeping your tasks reminded. ToDo Free is a nice app for Windows Phone 7. It is a  simple, smart and powerful todo list app. It includes the option to show the number of open tasks on the Live Tile as well. It is designed to be intuitive and uncomplicated but feature rich.

Features:

• Add items the easy way: No subpages, no sub-subpages
• Add lists dynamically – no preconfigured name for the lists
• Choose which extra-info you want to add to your todo items
• Full support for landscape orientation
• Live Tile mimics WP7s default style perfectly
• The ability to edit items and names of lists by ‘tip and hold’
• The ability to send the todo lists per mail
• Overall sleek and intuitive design

You can download ToDo Free at the WP7 marketplace or use this link to download.