sshfp generates DNS SSHFP records from SSH public keys. sshfp can take public keys from a known_hosts file or from scanning the host's sshd daemon.
A simple SSH shortcut menu for OS X
Manage your SSH like a boss.
Window Switch is a tool which allows you to display running applications on other computers than the one you start them on. Once an application has been started via a winswitch server, it can be displayed on other machines running winswitch client, as required
Transparent proxy server that works as a poor man's VPN. Forwards over ssh. Doesn't require admin access. Works with Linux and MacOS, now including 10.6