diff --git a/README.md b/README.md
index 120b9d86..88d37a1f 100644
--- a/README.md
+++ b/README.md
@@ -361,6 +361,7 @@ Table of Contents
   * [Internet.nl](https://internet.nl) — Test for modern Internet Standards like IPv6, DNSSEC, HTTPS, DMARC, STARTTLS and DANE
   * [keychest.net](https://keychest.net) - SSL expiry management and cert purchase with an integrated CT database
   * [letsencrypt.org](https://letsencrypt.org/) — Free SSL Certificate Authority with certs trusted by all major browsers
+  * [LoginRadius](https://www.loginradius.com/) — Managed User Authentication service for free. Email registartion and 3 social providers.
   * [logintc.com](https://www.logintc.com/) — Two-factor authentication (2FA) by push notifications, free for 10 users, VPN, Websites and SSH
   * [meterian.io](https://www.meterian.io/) - Monitor Java, Javascript, .NET, Scala, Ruby and NodeJS projects for security vulnerabilities in dependencies. Free for one private project, unlimited projects for open source.
   * [Mozilla Observatory](https://observatory.mozilla.org/) — Find and fix security vulnerabilities in your site.