Happy Birthday can remind you of birthdays. modern design which is easy in use offers an efficient, built-in auto save feature that stores the changes of your contacts on a disk.
Versions automatically records a history of changes made to your contacts and lets you browse through previous versions using the build-in Time Machine. Happy Birthday gives the independency from the computer, because you can get you contact data from any other computer using the synchronisation with the Happy Birthday web server.

The license of this software is Freeware, you can free download and free use this desktop reminder software.