Bitvise SSH Client (a.k.a. Tunnelier) is a powerful tunneling (port forwarding) client that works with any Secure Shell server. It offers tabs for Client -to-Server forwarding and Server-to-Client forwarding. Each can have multiple entries and you can choose to enable or disable selected ones. Bitvise SSH Client offers Single-click Remote Desktop forwarding, SSH port forwarding, FTP-to-SFTP bridge, terminal emulation with support for the bvterm, xterm, and vt100 protocols, support for single sign-on using SSPI (GSSAPI) Kerberos 5 and NTLM user authentication, and more.