Kilometre, formerly also known as Kilometre Browser, is a file manager for Mac OS X. It provides some features that are hidden or not supported by the Finder.
It has the ability to show and rename invisible files' change the file visibility, lock and stationery attributes, type and creator, Unix permissions, owner and group; show the file creation date, modification date and backup date; give you the option to merge or fully replace a pre-existing folder when copying a folder with the same name.