DockShredder provides a widget in the dock of Mac OSX. Drag and drop your documents into the app icon to permanently delete them. It is DoD 5220.22 M compliant. Additionally you can keep it in the dock to use it exactly the same way as the trash.
What's new in this version:
French and German are now supported.
Added notifications support.
Added folder erasing, only files could be shredded before.