Best Open Source CMS Products in 2026

WordPress is web software you can use to create a beautiful website or blog. We like to say that WordPress is both free and priceless at the same time.

Key WordPress features:

User-Friendly Customization SEO-Friendly Community Support

Open Source

The Website Builder for Startups.

Key Umso features:

User-Friendly Interface Customization Options Integrated Tools Responsive Design

Visit website freemium $14 / Monthly (Basic) Sponsored

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

Key Strapi features:

Open Source Customization Headless CMS RESTful and GraphQL APIs

Open Source

Apostrophe is a powerful website builder platform built on an enterprise open source CMS, offering in-context live editing, visual design tools, and multisite enablement in a full stack JS environment.

Key ApostropheCMS features:

User-Friendly Interface Flexible Content Management Open Source Rich in Features

Open Source freemium

You don't need another CMS. You need a better way to manage content — unified, structured, and ready to deploy to any digital channel. .

Key Contentful features:

Scalability Flexibility API-first approach Customizable content models

Raytha is a best-in-class .NET CMS. Lightweight, open source, and enterprise ready. Built with customizable content types and a template engine.

PagibleAI, the AI-powered CMS that combines WordPress's ease of use with the power of Contentful.

Key Pagible features:

Streamlined Property Management User-Friendly Interface Digital Rent Collection Centralized Communication

Open Source free

Commerceda, open source NodeJS ecommerce. Build with Latest Technology of NodeJS and React. open source ecommerce shopping cart solutions.

Key Commerceda features:

Specialized E-commerce Analytics Data-Driven Decision Making Centralized Dashboard Performance Tracking

Open Source paid $500 / One-off (Store , Admin , API)

One entry. Many authors. No conflicts.

Key Texttile.blog features:

Dedicated blog format Niche focus potential Memorable, brandable domain Typically free to read

Open Source free

An open-source full-stack CMS for Next.js and Supabase. Features a visual Tiptap block editor, strict JSONB schemas, edge internationalization, and perfect Lighthouse optimization.

Key NextBlock.dev features:

Insufficient information available

Open Source

The modern open source flat-file CMS.

Key Grav features:

Flat-file architecture Performance Flexibility and Customization Ease of Installation and Setup

Open Source

Umbraco is the leading open source Microsoft ASP.NET CMS. You can start using Umbraco in 2 minutes, by taking a free trial of Umbraco Cloud.

Key Umbraco features:

Open Source User-Friendly Highly Customizable Extensive Documentation

Open Source

Kirby is a website for businesses to use to sort contacts and other information. The site is easy to use and features several details for businesses of all sizes.

Key Kirby features:

Flexibility Flat-File CMS User-Friendly Interface Performance

Open Source

Orchard is a free, open source, community-focused content management system written in ASP.

Key Orchard features:

Modularity Open Source Multitenancy ASP.NET Core Framework

Open Source