ARD Monitor shows the state of your Apple Remote Desktop (disabled, enabled, connected) – even if the Administrator asked for permission to monitor/control. You can also disconnect connected administrators. It displays your IP- and MAC-addresses, computer name and serial number.
Bandwidth+
Better Menu Bar
Better Menu Bar shows your computer stats in your menu bar. It gives you information about your CPU, RAM, Battery, and Network in a consolidated window. It also has an automatic RAM cleanup feature that comes in handy when your computer falls below a certain level of free RAM.
Bidbar
Casilla
Casilla is a simple tool that hides and unhides all running applications. Comes in handy when you’re sharing your laptop with a friend or associate.