Concrete CMS
Open source content management system for teams
Concrete CMS is a free and open source content management system released under the MIT license, built for content creators, designers, and developers who need to build, author, and publish content. It addresses the need for a system that combines straightforward editing with the flexibility of a development framework, supporting tasks such as site building, content governance, and ongoing maintenance without requiring extensive training.
The platform provides in-context WYSIWYG editing on the page, a drag-and-drop website builder, and a Style Editor for adjusting fonts, colors, and layouts. It includes granular user and group permissions, content workflows with approvals, version control, and change logs. Additional modules cover multilingual translation, multisite management from a single dashboard, forms and surveys with integrated reporting, calendars and events, blogging and threaded commenting, built-in SEO tools, and social sharing. Add-ons are available through a marketplace, and third-party integrations include popular CRMs.
Concrete CMS is suited to organizations across sectors such as banking, manufacturing, education, and government, ranging from individual site owners to teams building custom applications. The software itself is free and open source; hosting is offered in Starter and Business editions with a set number of site editors, plus a custom SLA option for mission-critical applications with co-managed development, staging, and CI/CD.
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