If you actively use Tasks together with your Appointments in Calendar, you are familiar with the same Tasks applications of Windows Phone.

SenseTasks is a stand-alone application build using SenseSDK for a Sense-like look which runs on VGA, WVGA, HVGA and QVGA Windows Phones with .NET Compact Framework 3.5 installed. Besides looking very god and being fully finger friendly, here are the current features (quote):

- Full Outlook Synchronization (own note: Works with Exchange too)

- Task List View

- Task Agenda View

- Task Details View

- Add Task

- Edit Task

- Delete Task

- Filter

- Sort

(Source: XDA Developers)