testssl.sh
Good tool for testing TLS/SSL configs.
Easy button mode
Test just for vulnerabilities
testssl.sh --vulnerabilities really.neat.web.site
Test just the cert config (if it's self-signed, expired, etc)
testssl.sh -S --quiet ip:port
Test just for RC4 use
testssl.sh --rc4 some.cool.domain.com
Test just for SWEET32
testssl.sh --cipher-per-proto -p --sweet32 ip:port