Open Source Self-Hosted CMS Projects

Traditional, database-backed content management systems you install on your own server — the open source alternatives to Squarespace, Wix, Webflow and similar hosted website platforms.

Concrete CMS

Self-hosted PHP CMS with in-context page editing, drag-and-drop blocks, granular permissions and a marketplace of themes and add-ons. MIT licensed.

Alternative to:

Squarespace

EmDash

A full-stack TypeScript CMS built on Astro and Cloudflare, reimagining WordPress with serverless, type-safe foundations.

Alternative to:

WordPress

AI-assisted

Golocron

Golocron is a plug-and-play blogging and wiki system designed for Go backends. Markdown support, live preview, and a clean UI for quick content sites.

Alternative to:

WordPress

WollyCMS

Self-hosted, open-source headless CMS built specifically for Astro.js with a block-based page builder.

Alternative to:

Contentful