Best Free & Open Source Alternatives to Contentful

TinaCMS is a fully open-source headless content management system designed for modern web development workflows. It offers powerful Markdown and MDX support with an intuitive visual editing interface that makes content editing accessible to non-technical team members.

With its Git-based architecture, TinaCMS provides version control for all content changes and supports both statically generated and server-side rendered pages. The GraphQL API allows flexible content queries, while the live preview feature enables real-time visual editing of content.

TinaCMS is particularly well-suited for Next.js and React applications, offering seamless integration with modern frontend frameworks. It supports references between documents, custom content modeling, and can be self-hosted or used with TinaCloud for managed hosting.

Strapi is a headless CMS built entirely in JavaScript and TypeScript that gives developers complete control over content structure, APIs, and deployment. Content types are defined using a visual builder — combining fields, reusable components, and Dynamic Zones — and are automatically exposed via both REST and GraphQL APIs. The admin panel provides content editors with a clean interface for managing and localising content across multiple languages.

Key features include role-based access control for both admin users and API consumers, a media library for organising and serving assets, plugin and extension support for customising behaviour, and compatibility with PostgreSQL, MySQL, MariaDB, and SQLite. Strapi can be self-hosted on any Node.js-compatible environment or deployed via Strapi Cloud for a managed experience.

Strapi is designed for development teams building websites, mobile applications, IoT products, or any project that needs a customisable, framework-agnostic content API — from small prototypes to large enterprise deployments requiring SSO and audit logging.

Directus is a headless CMS and backend-as-a-service platform that wraps any SQL database and instantly exposes it through REST and GraphQL APIs. Rather than enforcing a rigid content model, Directus connects to an existing database and provides a visual admin interface for managing data, without altering the underlying schema. Teams can model content freely while developers consume it through standardised APIs.

Key features include granular, policy-based access control, a visual workflow automation builder, support for multiple databases (PostgreSQL, MySQL, SQLite, and others), a media library with asset transformation, and built-in internationalisation. The same interface serves developers, content editors, and business users, making it practical for diverse team structures.

Directus is used for headless content management, backend-as-a-service for web and mobile apps, product information management, and any project that needs a flexible data platform without committing to a specific frontend or application framework.

WollyCMS is a self-hosted headless CMS designed from the ground up for Astro.js projects. It combines the sophisticated content architecture of traditional CMS platforms with modern web development workflows.

Built on Hono 4.x with a TypeScript backend and SvelteKit 5 admin interface, WollyCMS supports SQLite, PostgreSQL, and Cloudflare D1 as database backends, with storage options including local filesystem, S3, and Cloudflare R2. It features a visual drag-and-drop page builder, full revision history with diffs and rollback, scheduled publishing, and configurable workflows.

WollyCMS exposes both REST and GraphQL APIs with full-text search, built-in WCAG AA accessibility audits, automatic image optimization via Sharp/WebP, and real-time multi-user presence tracking — making it a compelling alternative to heavyweight SaaS CMS platforms for Astro-based sites.

CometCMS is a lightweight, open-source headless content management system designed for simplicity and ease of self-hosting. It pairs a PHP backend with a Vue.js-based admin interface, making it straightforward to manage content while delivering it via API to any frontend.

The project emphasizes a minimal setup experience and a clean UI for content editors, offering a practical alternative to complex proprietary headless CMS platforms.