Compare software

WordPressBackdrop CMS
Free

Free and open source under the GPL; you pay only for your own hosting.

 Free

Free and open source under the GPL-2.0 licence.

Self-hosted Web, Self-hosted
  • Very large library of themes and plugins
  • Visual block editor with live preview
  • Built-in upgrade path from Drupal 7
  • Add-ons install from inside the site
  • Needs a PHP and database server to self-host
  • Plugins and themes vary widely in quality and need updating
  • Requires PHP and MySQL hosting
  • Add-on selection is narrower than larger CMS ecosystems
Self-hosted Self-hosted
Open source Open source
License: GPL-2.0 License: GPL-2.0
Not stated if an account is needed Not stated if an account is needed
Not stated if it works offline Not stated if it works offline

Checked October 2, 2026

Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.