Calendar

The Calendar module for Drupal

The other day I needed a calendar for one of my projects. There are basicly 2 choices to pick from on drupal.org. There is the Full Calendar module, but this one isnt actively maintained. So if you feel like you have spare time and want to contribute to the drupal community you could go ahead and help maintain that module.
The other choice we have is Calendar. This module is still actively maintained and a lot of sites have reported using this module. So I picked this one too.