add 'ssltools'

- signed-off-by: trimstray <trimstray@gmail.com>

README.md

@@ -464,6 +464,7 @@ Only main chapters:
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://dev.ssllabs.com/ssltest/"><b>SSLLabs Server Test (DEV)</b></a> - free online service performs a deep analysis of the configuration of any SSL web server.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://www.immuniweb.com/ssl/"><b>ImmuniWeb® SSLScan</b></a> - test SSL/TLS (PCI DSS, HIPAA and NIST).<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://www.jitbit.com/sslcheck/"><b>SSL Check</b></a> - scan your website for non-secure content.<br>
+&nbsp;&nbsp;:small_orange_diamond: <a href="http://www.ssltools.com"><b>SSL Scanner</b></a> - analyze website security.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://cryptcheck.fr/"><b>CryptCheck</b></a> - test your TLS server configuration (e.g. ciphers).<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://urlscan.io/"><b>urlscan.io</b></a> - service to scan and analyse websites.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://report-uri.com/home/tools"><b>Report URI</b></a> - monitoring security policies like CSP and HPKP.<br>