Support for Drupal 7 is ending on 5 January 2025—it’s time to migrate to Drupal 10! Learn about the many benefits of Drupal 10 and find migration tools in our resource center.
Open Atrium is shipped with Open Atrium Radix, a sub-theme of the Radix theme for Panopoly. Check the project page of Radix for further background information on this Bootstrap based theme.