* PuTTY (the Telnet and SSH client itself)
* PSCP (an SCP client, i.e. command-line secure file copy)
* PSFTP (an SFTP client, i.e. general file transfer sessions much like FTP)
* PuTTYtel (a Telnet-only client)
* Plink (a command-line interface to the PuTTY back ends)
* Pageant (an SSH authentication agent for PuTTY, PSCP, PSFTP, and Plink)
* PuTTYgen (an RSA and DSA key generation utility).