PuTTY is a free open source SSH/Telnet terminal emulation program for Windows and Unix like operating systems.

PuTTY is a free open source SSH/Telnet terminal emulation program for Windows and Unix like operating systems. PuTTY terminal emulation is xterm compatible and configurable. PuTTY can also be used to tunnel X11 over a secure link.

There are a suite of programs available for use with PuTTY:

PuttyGen: A tool for generating public key encryption pairs for use with PuTTY and OpenSSH.

Pageant: the PuTTY Authentication Agent used for storing Keys and providing them when requested to PuTTY utilities.

PSFTP: An SFTP clinet.

PCSP: A command line scp clinet.

PLINK: A command line connection utility similar to ssh that can be used for automating connections and tasks.