SSH

OpenSSH - the definitive SSH
http://www.OpenSSH.org
 
FreeSSH - lightweight ssh server for windows
http://freessh.org/
 
SSH Tools - Java based SSH & VNC. Handy for websites
(free) http://sourceforge.net/projects/sshtools/
($ commercial version) http://www.sshtools.com/showMaverick.do
 
SSH and Java - lots of links
http://linuxmafia.com/ssh/java.html


Macintosh

SSH Clients

SSH Servers


Windows

Tunneling PuTTY through a Firewall at Your Company or School
http://www.rtcubed.com/consulting/tunneling-putty.html
 
Using PuTTY to create an SSH tunnel
http://oldsite.precedence.co.uk/nc/putty.html
 
How to Tunnel Remote Desktop Through SSH on a Windows Computer
http://www.engr.wisc.edu/computing/best/rdesktop-putty.html
 

SSH Clients

SSH Servers