Backdrop shares much of the deep integration with CiviCRM that Drupal 7 offers. This includes the ability to create dynamic views of CiviCRM content (e.g. filterable directories of contact info), the ability to sync membership status to a...
Backdrop CMS is an open source CMS that provides a powerful, flexible, scalable base with a user-friendly interface and is our go-to platform for web development. It has a strong feature-set, including a user-friendly layout system, custom content types, custom fields, robust taxonomy/tagging, configuration management, customizable views, and granular permissions. It integrates deeply with CiviCRM to provide donor and membership management on-site.
The project has a specific focus on affordability over the long term and continuously improving the user experience. (Backdrop forked from the Drupal project in January 2015).