task

Allows you to make your computer automatically perform a task for you!

Windows startup, schedule, service and task manager with controlled startup

Shows dialog boxes on the task bar.

Windows Hunter task and application management software

Pop up a talk agent and read notification when task/appointment is due.

AITaskList, Free .Net component for an Office, Vista style task list

PandoraBrowse lives in the Windows systray and leaves your task bar alone!