Padlock

Padlock screenshots

Lock your Mac by either starting the screensaver or putting the screen to sleep.
Padlock screenshot
Padlock 1.1 : Padlock screenshot

Alternative downloads

KeyMaster
1.0.3
FREE
Free password management tool for the Mac.
Lock Me
1.7
FREE
Simple status bar application that allows you to lock your screen.
Padlock (OS X)
1.0
Padlock is an extremely robust 'application security'