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   * [ssllabs.com](https://www.ssllabs.com/ssltest/) — Very deep analysis of the configuration of any SSL web server
   * [Sucuri SiteCheck](https://sitecheck.sucuri.net) - Free website security check and malware scanner
   * [Protectumus](https://protectumus.com) - Free website security check, site antivirus and server firewall (WAF). Email and SMS notifications for registered users.
+  * [TestTLS.com](https://testtls.com) - Test a SSL/TLS service for secure server configuration, certificates, chains etc. Not limited to HTTPS. 
   * [threatconnect.com](https://threatconnect.com) — Threat intelligence: It is designed for individual researchers, analysts and organizations who are starting to learn about cyber threat intelligence. Free up to 3 Users
   * [tinfoilsecurity.com](https://www.tinfoilsecurity.com/) — Automated vulnerability scanning. Free plan allows weekly XSS scans
   * [Virgil Security](https://virgilsecurity.com/) — Tools and services for implementing end-to-end encryption, database protection, IoT security and more in your digital solution. Free for applications with up to 250 users.