Very popular free SSH client. Connects to hosts via secure shell, telnet or RS232. This program has been around for ages. It may not be the prettiest one, but it does the job...
ZOC is a professional SSH/telnet client and terminal emulator. With its impressive list of emulations and features, it is a snap to access hosts and mainframes via secure shell,...
KiTTY is a fork from version 0.62 of PuTTY which has all the features from the original software, and adds many others.