More OS X toys (new to me):

GeekTool – a preference pane that allows you to show logs, unix output and web images on your desktop or overlaid Now you can have your uptime easily available; Now if we could render HTML files w/ WebKit…
SSH Tunnel Manager – a front-end so you don’t need to remember (err… or write an alias) for your tunnelling needs
SSHKeychain – front-end for ssh-agent