DeltaCalendar is a neat software wich displays a calendar on your desktop. The way the calendar is displayed is completely customizable, you can change the color, font, sizes, effects, borders and margins.

You can also add memos to your calendar, each for a specific day, a memo can be of single, weekly, monthly or yearly type. A day containing a memo will de displayed differently on the calendar and the text itself will show in the memo of the day zone below the calendar or also when you move your mouse over that day.