ProteMac

Free
It monitors and records all Internet and network activity on your Mac computers
Free
LogonKey is worked out to enable easy and fast way to logon to your Mac
Free
It is developed to recognize the person that endeavors to enter your computer.
Free
Logon Sentry monitors all login attempts and takes screenshots, recording successes and failures.
Free
Would you like to know who and how logins to your Mac?
Free
Stealth keystroke recorder that records all keyboard activities and passwords on Mac, for private and business use.
Free
Control network access to and from your Mac.
Free
ProteMac KeyBag is a keystroke recorder that runs in the background, undetectable to the user.