Touch is a small Windows freeware utility that will allow you to change file timestamps and attributes for selected files. Simply drag files from Windows Explorer file folders to the Touch window, or use the Explorer Send To menu.
File Properties Changer is an application designed to change properties of files, file attributes, file name extensions and a name of a file.
Contextual menu sets file attributes
StrongSearch is an effective and flexible LAN file search utility that produces exact matches to your search criteria quickly and reliably, regardless of the network size. This multi-threaded utility lets users set several masks at the same time.
typeXchanger – Change creator and file types
Odd Jobs is a collection of powerful file-processing tasks for the Mac