Mindful is a free program that includes an event reminder and mini calendar in a simple to use system tray application.

Mindful is a free program that includes an event reminder and mini calendar in a simple to use system tray application. Define your own events and/or select from the list of 72 predefined common events including many US, Canadian and Jewish holidays. Use Mindful to be reminded of appointments, bill payments, anniversaries and any occasion, recurring or not, that you never want to miss. Mindful loads automatically when you start your computer.