CMS Open Source Tools

Alternative toSubstack

Launch a newsletter or paid membership site on your own server

• 55,574 GitHub stars
• MITLicence MIT
• #CMS

Alternative toBettermode

Open source forum and community platform, self-hosted

• 47,998 GitHub stars
• GPL-2.0Licence GPL-2.0
• #Chat

Alternative toContentful

Build code-first CMS backends with TypeScript schemas

• 45,369 GitHub stars
• MITLicence MIT

Alternative toWix

Open source CMS with a block editor, 60,000+ plugins, and 40% market share.

• 21,485 GitHub stars
• GPL-2.0Licence GPL-2.0
• #CMS

Alternative toCloudCannon

Git-based content management for static site generators

• 19,440 GitHub stars
• MITLicence MIT
• #CMS

Alternative toWordPress.com

Flat-file CMS for fast, self-hosted websites.

• 15,689 GitHub stars
• MITLicence MIT

Alternative toCloudCannon

Open source headless CMS with inline editing and Git backend

• 13,836 GitHub stars
• Apache-2.0Licence Apache-2.0

Alternative toWordPress.com

Web-based CMS for creating and managing AI playgrounds

• 13,815 GitHub stars
• MITLicence MIT
• #CMS

Alternative toShopify

Open source WordPress eCommerce with full customization

• 10,559 GitHub stars
• GPL-2.0Licence GPL-2.0

Alternative toShopify

Open source eCommerce platform for online stores

• 9,228 GitHub stars
• #CMS