»ssh-audit is a tool for ssh server & client configuration auditing.«
In this video, the speaker gives a practical introduction to SSH tunnels with lots of examples and configuration tips.
Set of helpful SSH tools.
Eternal Terminal (ET) is a remote shell that automatically reconnects. Inspired by autossh and mosh.
sshuttle adds VPN-like capabilities to SSH that go beyond the built-in port-forwarding features of SSH.
OpenSSH 8.0 release notes.
encrypt/decrypt using ssh keys