Putty

Original PuTTY
A popular, free Win32 Telnet / SSH client.


 * http://www.chiark.greenend.org.uk/~sgtatham/putty/

portaPuTTY
"portaPuTTY is a hacked version of PuTTY that stores all its information in files, not in the registry. I made this version so I could have a good SSH client to run from a USB drive."


 * [http://socialistsushi.com/portaputty/

Nutty
"Nutty is a modified version of a simple SSH and telnet client called PuTTY. This patch enables users to select and open hyperlinks that they see on the terminal window to their favourite web browser"


 * http://www.groehn.net/nutty/

PuTTY Tray
"PuTTY Tray is an improved version of PuTTY (Win32). It features some cosmetic changes, and a number of addons to make it more usefull and much more fun to use."


 * http://www.xs4all.nl/~whaa/putty/