OpenSSH - OpenSSH is a free version of the SSH connectivity tools that technical users rely on.
PuTTY - Popular free terminal application. Mostly used as an SSH client.
Bitvise SSH Server (WinSSHD) - WinSSHD is our SSH server for all Windows NT-series operating systems.
Lterm - Lterm is a terminal emulator for GNU/Linux systems.
Dropbear SSH Server and Client - Dropbear is a relatively small SSH 2 server and client.
sshmenu - SSHMenu is a GNOME panel applet* that keeps all your regular SSH connections within a single mouse...