for os

Customize OS X folder icon.

Show and hide system files hidden by Mac OS X.

Toggle OS X's automatic proxy on and off.

Native OS X GUI for Mercurial.

Git GUI specifically for Mac OS X.

Monitor the user interface of OS X apps.

Add a desktop trash can to OS X.

Encrypted, password-protected database for OS X and iPhone.

Create and apply themes to change the appearance of OS X.

Make a bootable backup of your OS X system.