MacExplorer 

PC explorer analyzing Mac files on Windows servers for a quick access. Display and can modify Type/Creator codes (Signatures). Windows users will identify the kind of files without their 3 characters extensions. List sizes of data and resource fork
explorer macintosh sfm forks display type/creator extensions file management document properties catalog property search tool

MacVolumes 

MacVolumes is a free Windows system utility to analyze Macintosh files signatures stored in Mac volumes index on Windows NT 4.0 or 2000. Automatic connection to the Macintosh servers and volumes; detects invalid volumes, monitors disks optimization
macvolumes macintosh volumes statistics distribution file signatures pc-mac freeware utility explorer macintosh file management sfm forks