Make content your competitive advantage Treat content as data—actionable and scalable across your business—with the Sanity Composable Content Cloud.

Open source Git-backed headless CMS that supports Markdown, MDX, and JSON. The basic offer is free with two users available.

Headless CMS. Content management interface with fully hosted and scalable API. The Community Plan provides unlimited API calls, documents, custom types, assets, and locales to one user. Everything that you need for your next project. Bigger free plans are available for Open Content/Open Source projects.

Headless CMS. Content management and delivery APIs in the cloud. Comes with one free Community space that includes five users, 25K records, 48 Content Types, 2 locales.

A Headless CMS for developers and marketers that works with all modern frameworks. The Community (free) tier offers Management API, Visual Editor, ten sources, Custom Field Types, Internationalization (unlimited languages/locales), Asset Manager (up to 2500 assets), Image Optimizing Service, Search Query, Webhook + 250GB Traffic/month included.

Headless CMS. A completely free and open-source platform for managing assets and database content on-prem or in the Cloud. There are no limitations or paywalls.

Manage any content. Anywhere. The leading open-source headless CMS. 100% JavaScript / TypeScript and fully customizable.

Headless CMS and API toolkit. Free personal plans for developers.

Kontent.ai is a cloud-based content management platform. Its technology-agnostic API enables omnichannel content delivery and management – from any platform to any device. Kontent.ai is a SaaS solution built on a modern technology stack – it's highly available, it scales automatically, and it's secure.

Decap CMS (formerly Netlify CMS) is an open source content management system for your Git workflow that enables you to provide editors with a friendly UI and intuitive workflows.

A seamless CMS with a blazing fast API and marketing dashboard. Stop wasting dev time and free your marketers from your legacy CMS.

Power anything from websites to internal tools with the open-source backend & modern admin UI that you truly own.

The Git-based CMS for Nuxt

Outstatic is a static site CMS that lives inside your Next.js install.