Where do I get the free calendar for desktop?

I think Google calendar is the best option for you. It offers the best facilities understanding our need so there no need to remember that when and to whom you have to wish happy birth day or happy anniversary. Since Google has come up with Google calendar, the value of calendar has increased to a large extent from just seeing the date. My own experience with the Google calendar is really cool. I really like almost all the features like Share your schedule, calendar on the go, never forget event and Send invitations and track RSVPs like features of the program. You can easily sync your Google calendar in your mobile and use it whenever you need it. Customized tool will always help you to stay in time. You can also get Google calendar at http://www.google.com/googlecalendar/about.html .