Backdrop CMS

What Backdrop CMS is

Backdrop CMS describes itself as "a free and Open Source Content Management System that helps you build modern, comprehensive websites on a reasonable budget." Its home page title calls it a "Free Open Source CMS built in PHP." It is a website and blog builder for people who assemble sites for others or for their own organization: small agencies, solo site builders and non-profits are the audiences the project names. The project calls the non-coder site builder a "website architect," and says the product is for people who build websites.

Backdrop's own account of its origin is that "Backdrop at its core is still Drupal 7. But it has hundreds of improvements and includes completely new functionality like a powerful layout system," along with a new approach to configuration management. The project describes itself as "a small, but very active and dedicated community."

What you build and how

You build content-driven websites: blogs, organization sites, school and museum sites, small-business and corporate sites. The home page lists those groups as its users, along with non-profit and community organizations and personal blogs, and says Backdrop is used across "more than 3,600+ sites."

Editing is where the blog and CMS side shows. The home page says "No programmer needed to create, publish, and maintain your site's content." That is the line that puts Backdrop in the blogs and CMS group: an editor works in the administration interface, and the architect decides in advance what kinds of content exist.

The data layer is Drupal's. The Drupal alternative page lists an "incredibly flexible data model with an unlimited number of content types and fields," a categorization system strong enough that you should not "try to manage 10 taxonomies with other tools," and Display Modes, "so content can be displayed in different formats on different pages." The query tool is Views, which the page calls "a powerful visual database query builder" and says is now in core. For a site builder, that means lists, tables and feeds of content are assembled in a visual interface rather than written as database queries.

Page design is handled by a layout system. The page says Backdrop drew on the Panels and Context modules to build "a flexible layout system with drag and drop functionality," and that everything you see on the page, including the header and navigation, is placed into a responsive layout.

Configuration management is the feature aimed at repeat builders. Any Backdrop configuration "can be exported from one website and used on other projects," and the page invites you to reuse existing or custom "recipies" so you never create a blog or an image gallery from scratch again. That matters to an agency that builds the same structure for several clients.

Add-ons work from inside the site. The home page says you can "Browse and install add-ons right from your site," created by "a large, active, open source community," and the project counts "1300+ total add-ons," meaning modules, themes and layouts. The Drupal alternative page adds that "More than 70 Drupal 7 contributed modules are included in Backdrop core," naming Views, CKEditor, Pathauto, Redirect and Token, and that "Of the top 100 Drupal 7 modules, 97 of them are ready for Backdrop CMS."

Hosting and code access follow from it being open source software you run yourself. The pages say Backdrop "runs fast, even on shared hosting," and that the project will "always aim to keep the server requirements low." Running it with Composer is possible "for those who want it, but it will never be a requirement." A Hosting Providers page and a Service Providers page are listed in the site menu, and the download button offers version 1.35.1. For people who want to go further into code, the Drupal alternative page says Backdrop is "still a very powerful tool for the folks who like to dive deeper into the code."

Multilingual sites are named as a fit: the Drupal alternative page lists "you support translating content into multiple languages" among the reasons to choose Backdrop. For a Drupal 7 site, there is "a built-in upgrade path," and Backdrop "will run on the same database as your current Drupal 7 project," so customizations are not lost in the move.

The evidence from the pages

• License and price: the home page says free and Open Source, and the menu links a License page. There are no plans or paid tiers; the cost is hosting and whatever help you hire.
• Version and cadence: the download button reads version 1.35.1. A news item says the community "wrapped up an exceptional year with three releases in 2026 following our steady four-month release cycle, and marking the project's 11th birthday along the way," with major features "aimed squarely at site builders and content editors." The Drupal alternative page, written earlier, says "Backdrop CMS has been out for more than 8 years now, and has a proven track-record of on-time releases."
• Size: "3,600+ sites," "1300+ Modules and add-ons," "3,011 Community Members" and "5,674 Commits" are all on the home page.
• Support: a User Guide, a Backdrop Forum, Documentation and API pages, Regular Meetings and a Service Providers list sit under Support. The home page says the documentation is "written and maintained for people, by people," and invites visitors to "virtual office hours every Wednesday from 12-2 pm EST."
• Security: a Security page is linked from the footer.
• Community: a Code of Conduct, a blog, events and a Press Kit are listed. The forum promise is that "All answers will be provided with dignity and respect."

Who it suits and who it does not

The Drupal alternative page spells out its own audience: you love the flexibility of Drupal's architecture, you create websites quickly, you have a limited budget for a complex web project, you want to reuse configuration across projects, you support translating content into multiple languages, or you are "a small agency, a solo preneur, or a non-profit organization." That list describes a freelancer or a three-person web shop well, and it fits a non-profit with one technical volunteer.

It is a strong move for an owner of a Drupal 7 site who wants to stay close to what they know. The upgrade path and shared database are the point.

It is a weaker fit for a founder who wants a hosted editor on a Monday and a live store by Friday. Backdrop is software you install and keep updated, so a person with no technical help will need a host, a provider from the Service Providers list, or time to learn. The site also says the project is "small" in community terms, and its pitch concentrates on websites rather than apps, forms or automations. Support comes from the community and independent service providers rather than from a vendor contract, which suits a small team better than a governed enterprise rollout.