Backdrop CMS
GPL-2.0 Drupal 7 fork for small to medium sites. Keeps Drupal's content flexibility while reducing infrastructure complexity — no composer-first workflow, built-in layouts, and a gentler upgrade path
Quick Start
docker run -d -p 8080:80 -e MYSQL_HOST=db -e MYSQL_DATABASE=backdrop backdrop/backdrop:latest Overview
Backdrop CMS is a fork of Drupal 7, started in 2013 when the Drupal project moved toward the more complex Drupal 8 architecture. The fork was built for a specific audience: organisations running Drupal 7 sites that need the content flexibility of Drupal but without the infrastructure complexity that came with Drupal 8 and its successors.
The philosophy is pragmatic. Backdrop keeps Drupal’s content type system, views, fields, and permissions model, but removes the dependency on Composer for module management, adds a built-in layout system for multi-column pages, and simplifies the upgrade path. Site administrators can install modules through the admin UI without touching the command line. For small nonprofits and government sites with limited technical staff, this matters.
The Drupal 7 module ecosystem is a practical asset. Thousands of Drupal 7 modules exist as a starting point for ports, and the Backdrop community has ported the most commonly used ones. The migration path from Drupal 7 to Backdrop is significantly shorter than rebuilding on Drupal 10, which is why the project finds its audience among organisations facing Drupal 7 end-of-life who cannot justify a full rebuild.
The limitations are proportional to its scope. Backdrop is not competing with Drupal 10 for enterprise deployments or with WordPress for ease of use. It sits in a specific gap: sites that need Drupal’s content modelling capabilities, a GPL-licensed codebase, and an upgrade path that does not require rewriting everything from scratch.
With 1k GitHub stars, it is a small but stable project. Security releases come regularly, and the community is active within its niche.
Backdrop CMS: Pros & Cons
| Pros (The Wins) | Cons (The Friction) |
|---|---|
| Drupal 7 compatibility: 4,000+ D7 modules as a starting point for ports. | Smaller community: Fewer active modules than Drupal or WordPress. |
| Built-in layouts: Multi-column pages without a page builder add-on. | Not a drop-in upgrade: D7 migration requires work, even if less than Drupal 10. |
| No Composer required: Modules install through the admin UI. | Niche adoption: 1k stars; active but not broadly used. |
| Regular security releases: Active maintenance targeting Drupal 7 site owners. | Drupal template system: Front-end theming has a Drupal-style learning curve. |
Use Cases
Specific ways to use Backdrop CMS for your workflow.
Deployment Strategy
Recommended ways to host Backdrop CMS in your own environment.