OSXAudit
OS X File system/host verification tool.
http://www.gwk.ca/code/osxaudit.tgz
OnlyVPN
When not connected to a familiar SSID deny any outbound connections not tunneled over a VPN.
http://www.gwk.ca/code/OnlyVPN.tgz
SecretsJ was written to provide a portable encrypted password storage system
around the turn of the millennia (it is fun to say that). It is released purely for the sake of releasing it, there are less buggy better
featured alternatives available, you should use those!
http://www.gwk.ca/code/SecretsJ.tgz