Concrete CMS
Free, open-source content management system for teams.
851 stars 483 forks last commit first released MIT
Actively maintained
Last commit 26 Aug 2026.
Concrete CMS is an open-source content management system designed for teams to create, edit, and publish websites. It emphasizes in-context editing, collaboration, and flexible site management.
Key Features
- In-context editing with a WYSIWYG content editor on the page
- Granular permissions and robust collaboration, including change logs and version control
- Workflow-based content approvals and built-in versioning
- Multisite management and multilingual support
- Built-in SEO tools and responsive design, with support for digital asset management
Use Cases
- Intranet/Portals and multi-site collaborative sites built from a single installation
- Public-facing marketing sites with multilingual content and strong SEO
- Teams needing asset management and content workflows for campaigns
Conclusion Concrete CMS provides an open-source, developer-friendly platform that enables editors and developers to build, manage, and scale websites with integrated collaboration and governance.
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