Backdrop is a free and open-source content management system that helps you build modern, comprehensive websites for businesses and non-profits. More than 70 Drupal modules have been merged into the Backdrop core. Of the top 100 Drupal 7 modules, 96 of them are ready for Backdrop CMS. More than 750 modules, themes, and layouts are available for Backdrop CMS. Backdrop has a built-in upgrade path from Drupal 7. Backdrop is a great alternative for people with Drupal experience because it is so similar to Drupal, and it includes numerous usability improvements and new features. Backdrop is lean and mean. With a commitment to performance, you can expect to see continued improvements in each version. Watch your pages fly! Browse and install add-ons directly from your own website. No need to scour the internet for available modules, themes, and layouts. Every Backdrop site is always responsive. Visitors enjoy a great mobile experience, and administrators can create and edit content.