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Bolt

Lightweight and simple CMS built on Symfony

Content Management Systems ★ 591 stars Medium setup MIT

Bolt is an open-source content management tool built on the Symfony framework that strives to be straightforward for editors and flexible for developers. Content types are defined in YAML and rendered with Twig templates.

Official siteSource code

Key features

  • YAML content types
  • Twig templating
  • Symfony foundation
  • Clean editor UI

Strengths

  • Released under the MIT license
  • First-class Docker support for quick deployment
  • Written in PHP
  • Lightweight — runs in 512 MB RAM

Is Bolt secure?

No known vulnerabilities affect Bolt's latest release (6.1.9). OSV.dev lists 2 past advisories for the project; none of them applies to this release. No known vulnerabilities is not proof of security: it means none have been publicly catalogued.

  • Most recent fixed advisory CVE-2026-71291, published 2026-08-05 (70 days ago)

Source: OSV.dev, checked 2026-10-14. How this is measured.

Bolt replaces

Self-hosted WordPress alternativesSelf-hosted Contentful alternatives

Health badge

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SelfHostIndex: 84 · excellent

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The score is recomputed on every nightly rebuild from public repository data — see how it is calculated.

Compare Bolt

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