Integrate a scheduler and reminder assistant with your system. Check out the options for dragging and dropping certain files and folders into the Menu bar and adding special reminders, notifications, and alarms. remove or check the currently available markers.
Alarms is a very handy utility that lets you schedule reminders by just dragging any file or url to the OS X Menu bar. Optionally it lets you sync with iCal and display Address Book birthdays. App store price $7.99, Web store price $15.00.