diff --git a/README.md b/README.md
index fc929241..8506b577 100644
--- a/README.md
+++ b/README.md
@@ -365,6 +365,7 @@ Table of Contents
   * [sanity.io](https://www.sanity.io/) – Hosted backend for structured content with customizable MIT licensed editor built with React. Unlimited projects. 3 users, 2 datasets, 500k API CDN requests, 5GB assets for free per project
   * [sensenet](https://sensenet.com) - API-first headless CMS providing enterprise-grade solutions for businesses of all size. The Developer plan provides 3 users, 500 content items, 3 built-in roles, 25+5 content types, fully accessible REST API, document preview generation and Office Online editing.
   * [GraphCMS](https://graphcms.com/) - Offers free tier for small projects. GraphQL first API. Move away from legacy solutions to the GraphQL native Headless CMS - and deliver omnichannel content API first.
+  * [Squidex](https://squidex.io/) - Offers free tier for small projects. API / GraphQL first. Open source, and based on event sourcing (versing every changes automatically).
 
 **[⬆ back to top](#table-of-contents)**