Open Source CMS Platforms

Open-source learning management system used by educational institutions, corporations, and training organizations. Offers comprehensive tools for creating online courses, tracking student progress, and managing educational content.

Payload CMS is a modern, self-hosted headless content management system built with TypeScript, Node.js, and MongoDB. It's designed specifically for developers who want full control over their content management system while maintaining a powerful admin interface for content editors.

High-performance PHP web application framework designed for rapid development of complex web applications. Offers robust caching support, security features, and extensive documentation.

Open-source photo gallery management system. Enables creation and management of digital photo galleries.

Open source content management for your Git workflow. A CMS for static site generators. Give users a simple way to edit and add content to any site built with a static site generator.

Open-source wiki software originally developed for Wikipedia. Provides collaborative editing platform with robust version control and extensive extension ecosystem.

Open-source headless CMS built with Node.js. Provides developers with complete freedom in choosing their favorite tools and frameworks for frontend development.

Open-source documentation website generator built with React. Designed to make it easy to maintain open-source project documentation with minimal configuration.

Static site generator written in Ruby. Popular among developers for creating blogs, documentation sites, and personal websites with minimal complexity.

Social networking plugin for WordPress. Enables creation of community websites with member profiles, activity streams, and groups.

Open-source content management system popular in French-speaking countries. Focuses on collaborative publishing and editorial workflow management.

Free and open-source wiki platform designed for organizing and storing documentation. Features a simple, clean interface with powerful organization tools.

Open-source office suite and collaboration platform. Offers document management, project management, and team collaboration tools.

Open-source decentralized social network platform. Enables creation of self-hosted social networking instances with federation capabilities.

Open-source data management system for making data accessible. Widely used for creating open data websites and catalogs.

Open-source PHP framework and CMS. Provides flexible content management with strong development capabilities.

Open-source forum software with extensive customization options. Provides tools for building and managing online communities.

Open-source, modular CMS built on ASP.NET. Offers flexible content management with strong developer features.

Open-source content management system focusing on simplicity and ease of use. Provides essential website management features without complexity.

Open-source content management system (now part of BloomReach). Offers enterprise-level content management capabilities.

Open-source HTML editor and web development tool. Offers advanced features for web developers.

Open-source CMS built on Node.js. Offers in-context editing and modular content management.

Open-source content management system with social networking features. Enables creation of community websites and portals.

Open-source participatory democracy platform. Enables creation of citizen participation portals.

Open-source business management software offering integrated suite of business apps including CMS, CRM, e-commerce, and accounting.

Secure and flexible open-source CMS built on Python. Known for its strong security features and extensibility.

Open-source content management system. Offers modular architecture for website development.

Enterprise open-source digital experience platform supporting portals, intranets, and web applications. Offers robust collaboration and content management tools for large organizations.

Popular open-source forum software. Offers extensive features for building and managing online communities.

Java-based open-source content management system. Provides enterprise-level features with strong multilingual support.

Open-source Q&A platform. Enables creation of Stack Overflow-style community websites.

Open-source image hosting script and platform. Enables creation of image sharing websites and communities.

Open-source hybrid CMS with enterprise features. Combines traditional and headless CMS capabilities.

Open-source content management system. Enables creation of dynamic community websites.

Highly flexible, open-source content management system known for complex, scalable web applications. Preferred by government, educational, and large enterprise websites requiring advanced customization and security features. Robust module ecosystem.

Open-source learning management system. Provides tools for creating and managing e-learning content.

Flat-file CMS built on modern technologies. Focuses on speed, simplicity, and flexible content management without databases.

PHP-based content management system built on Laravel framework. Offers clean, simple architecture for developers while maintaining user-friendly backend.

Open-source digital experience platform combining PIM, DAM, MDM, and e-commerce capabilities. Provides comprehensive digital asset management.

Modern open-source forum software. Provides lightweight and extensible platform for online discussions.

Open-source constituent relationship management system. Specializes in nonprofit organization management.

Content management extension for Joomla providing advanced content structuring and management capabilities. Offers flexible content modeling and workflow management.

Open-source publishing platform specifically designed for professional bloggers and publications. Focuses on clean, minimalist writing and publishing experience.

Open-source content management system formerly known as concrete5. Offers intuitive editing interface with powerful developer tools and extensibility.

Open-source, self-hostable online chat and communication platform. Provides secure messaging for technical teams with extensive customization options.

Open-source learning management system used by universities worldwide. Powers massive open online courses (MOOCs) with extensive features.

Enterprise-level open-source content management system with extensive customization capabilities. Particularly strong in multilingual and large-scale enterprise website deployments.

Open-source content management system known for flexibility and extensibility. Supports multilingual websites and offers extensive extensions for various functionalities like e-commerce, social networking, and more.

Simple to use, open-source wiki software that doesn't require a database. Popular for creating internal documentation and knowledge bases.

Open-source IT asset management and help desk system. Provides comprehensive tools for managing IT infrastructure and support tickets.

Pico CMS for Nextcloud combines the power of Pico and Nextcloud to create simple, secure, shareable and amazingly powerful websites with just a few clicks. Pico is a stupidly simple, blazing fast, flat file CMS - making the web easy.

Open-source discussion platform for creating modern online communities and forums. Provides advanced moderation and engagement tools.

Open-source content management system based on PHP. Provides flexible framework for creating websites with strong accessibility features.

Open-source blogging and content management system. Provides robust publishing platform with strong security features.

Open-source content management system with advanced editing features. Offers sophisticated content modeling capabilities.

Open-source headless CMS that wraps custom SQL databases with a dynamic API. Provides a modern admin app for managing database content.

Open-source community forum software with enterprise features. Provides advanced community engagement and moderation tools.

Modern forum software built on Node.js. Provides real-time discussion and community engagement features.

World's most popular open-source content management system powering over 40% of all websites. Offers extensive plugin ecosystem, themes, and robust community support for blogs, e-commerce, and corporate websites. Highly customizable and scalable platform suitable for beginners and advanced developers.