SSH to Loowit Networks

Thanks to Jon Gilbert, jong@jong.org, for most of this information.

Mindterm

You can access a java application for ssh called mindterm.

Other Platforms

SSH has been ported to almost all the available operating systems and platforms, so chances are your computer can use it.

Windows

PuTTY: an SSH1-only implementation. "PuTTY is a free implementation of Telnet and SSH for Win32 platforms, written and maintained by Simon Tatham, who lives in Great Britain."
PSCP is an scp-style program, also for Windows. You can get it with the main PuTTY distribution.
TTSSH: an SSH1-only implementation. Developed in Australia (and my personal choice when dealing with Windows platforms -Ed.).

Macintosh

NiftyTelnet 1.1 SSH: An SSH program for Macintosh. Comes with an scp-style program.

Java

MindTerm: SSH-1 only implementation. You can wrap this up into a webpage and use it from anywhere. Like, from here for example.
Java-SSH
SSH-Plugin

Additional SSH Information

Check out the SSH FAQ. There's much much more answered than you could hope for in this document.
OpenSSH.com is a good starting point if you're looking for the UNIX client, some background on SSH, or pointers to goofy looking posters.
SSH Communications Security Ltd is a company founded on the principles of SSH. Their only drawback is that they charge an exobitant fee for their software. But it's a nice site.