SuperLock 4.5

SuperLock Pro is the premier shareware security utility. While offering a number of advanced features like unlimited users, time-based login controls, detailed logging capabilities, and file/folder protection, it remains very easy to use and does not endanger your data like many security utilities do.
Main features:
- Supports thousands of users and three levels of access
- Supports file- and folder-level protection privileges on a per-user basis
- Prevents the hard drive from being altered even when a CD or floppy is used to start up the Mac
- Immune to force-quitting
- Immune to shift key extension bypassing on startup
- Full activity logging, including process tracking (logs when applications launch and terminate)
- Full-featured break-in attempt notification, including alarm sounds and forced delays between attempts
- Built-in screen saver used when login dialog is displayed
- Instant hot-key activation of login dialog, no matter what program is active
- Auto-activation of login dialog after a period of user inactivity
- Auto-activation of login dialog during wake-up from sleep
- When login dialog is displayed, all background windows, the desktop, and the control strip are hidden
- Supports forced-shutdown of Mac after too many login attempts
- Supports forced-sleep of Mac after too many login attempts
- Offers customizable login dialog.
Version restrictions:
- The Unregistered Version will not allow you to change the username and password and will function for 30 days.