diff --git a/README.md b/README.md
index 2f6f32ae..0bbd4fc0 100644
--- a/README.md
+++ b/README.md
@@ -267,6 +267,7 @@ Table of Contents
   * [Internet.nl](https://internet.nl) — Test for modern Internet Standards like IPv6, DNSSEC, HTTPS, DMARC, STARTTLS and DANE
   * [Mozilla Observatory](https://observatory.mozilla.org/) — Find and fix security vulnerabilities in your site.
   * [Shieldfy](https://shieldfy.io) — Web application firewall and vulnerability detection for developers, free plan up to 100k requests per month.
+  * [Sqreen](https://www.sqreen.com/) — Application security monitoring and protection (RASP, WAF and more) for web applications and APIs. Free for 1 app and 3 million requests.
 
 ## Management System