testssl.sh is a free command line tool which checks a server's service on any port for the support of TLS/SSL ciphers, protocols as well as recent cryptographic flaws and more.
Show information about ssl web certificates
View TLS certification history of websites
A Document that tries to give a complete overview over what TLS/SSL protocols and what ciphers are available on different platforms and browsers.
Sicherheitseinstellung und protokolle bei Webbrowsern überprüfen
mitmproxy is an interactive, SSL-capable man-in-the-middle proxy for HTTP with a console interface.
Test your client SSL/TLS settings and cipher specs