PuTTY
A free, open source SSH and Telnet client.
With a simple, straightforward interface and proven reliability, PuTTY is useful terminal emulation software for programmers and network administrators. PuTTY lets you store hosts and preferences, and control SSH encryption keys, protocol versions, and port forwarding. PuTTY also supports IPv6, 3DES, AES, Arcfour, Blowfish, and DES.
