Freeware SSH/Telnet Client

PuTTY is by far the most lightweight and handy SSH client available for free. A review of PuTTY has also been published.
Download PuTTY 0.63 (from SSH and Telnet Clients)

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Recommended SSH/Telnet Client | 444 KB | For Windows | Free

Our friendly and flexible SSH Client for Windows which includes state of the art terminal emulation, graphical as well as command-line SFTP support, an FTP-to-SFTP bridge, powerful tunneling features including dynamic port forwarding through integrated proxy, and also remote administration for our SSH Server..
Download Bitvise SSH Client 6.23 (from SSH and Telnet Clients)

10.8 MB | For Windows 7, Windows 8 / Vista / XP | Free

Tera Term (rarely TeraTerm) is an open-source, free, software implemented, terminal emulator (communications) program..
Download Tera Term 4.85 (from SSH and Telnet Clients)

10.92 MB | For Windows 7, Windows 8 / Vista / XP | Free

KiTTY is a SSH and Telnet client which was forked from the ever-so-popular PuTTY project. A review of KiTTY has also been published.
Download KiTTY 0.63.2.2 (from SSH and Telnet Clients)

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1 MB | For Windows 7, Windows 8 / Vista / XP / NT | Free