Best Headless CMS GitHub Repositories

File Based CMS and Static Site Generator

A flexible, elegant, fast and easy-to-use content management system written in PHP.

Thelia is an open-source e-commerce CMS and framework built on Symfony 7 and API Platform.

Open-source website building program.

Per-component Internationalisation solution for JS application. Type-Safe. Translate with AI. Edit Visually.

The CMS for Creators. Stable. Lightweight. Instantly Familiar. Forked from WordPress.

Official repository for Concrete CMS development

Content management, streamlined

Git-based Visual CMS for Deno, </> htmx and Tailwind apps. Deploy on any Deno-compatible host.

Laravel 11+ Content management framework

Fast and small flat file CMS (5 files). Built with PHP, JSON database.

Azuriom is a complete open-source web solution for game servers. Enjoy dozens of extensions for endless possibilities. Already trusted by over 1,800 servers totaling more than two million users.

Create a fully featured real estate website on Rails in minutes! ⛺

The fastest Direct2D-powered image viewer for Windows. Features multi-threaded JXL/AVIF decoding, GPU acceleration, and a borderless geek UI. Supports WebP, RAW, & QOI with visual settings and auto-updates. Portable & SIMD-optimized.

A modern, opinionated, agentic CMS for Swift.

Easy, flexible and powerful cloud-native Laravel CMS package powered by AI with JSON:API, GraphQL API, templates, and themes

Gentics Mesh - The open source headless CMS for developers

🧿 Bolt core

Jivejdon is a chain notebook with DDD/CQRS/Clean architecture

ASP.NET Core Blazor Content Management System (CMS)