... 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.