source
SSH

Own stuff using SSH.

Plink

Command-line connection utility.

Crowbar

Crowbar is a brute force tool which supports OpenVPN, Remote Desktop Protocol, SSH Private Keys and VNC Keys..

ssh

ssh (SSH client) is a program for logging into a remote machine and for executing commands on a remote machine.

sshuttle

Transparent proxy server that works as a poor man's VPN. Forwards over ssh. Doesn't require admin. Works with Linux and MacOS. Supports DNS tunneling.

SSH-method-scanner

SSH method scanner. Reports password and publickey authentication.

SSHScan

A testing tool that enumerates SSH Ciphers. Using SSHScan, weak ciphers can be easily detected.