PodSmith

PodSmith Protects your data with your iPod. With PodSmith, iPod works as a key for your computer.
You can lock or unlock your Macintosh with your iPod.
Are you tired of iSync that is just auto backup?
You'll have full advantage of auto-sync between Macintosh and iPod.
A sample use of PodSmith:
Mount an iPod to replace the Safari bookmarks of your Mac with your iPod's bookmarks. Then unmount it to go back to the original bookmarks.
Your favorite bookmarks are always in your iPod to share anywhere, anytime.

How does PodSmith protect my computer?
1. Screen Lock
You can lock and unlock the screen by unmounting and mounting your iPod. Of course you can unlock the computer by typing your password without your iPod.
2. File Lock
Specified folders or files can be locked by unmounting your iPod.
3. Protect your files
Disable all applications except those you specify.