Free and or Donation Ware as far as I can find.
Description & Features:
WizFile is a very fast file search utility that can find files on your hard drive almost instantly. The entire file system can be quickly sorted by name, size or date. WizFile currently only supports NTFS formatted hard drives but support for other hard drive types is planned.
Find files by name on your hard drives almost instantly
VERY Fast scanning! WizFile reads the master file table (MFT) directly from NTFS formatted hard drives so it's ready for use very quickly after start up.
Search by file name or full path name
Multiple search terms supported
Wild card file search (* and ? wild cards supported)
Monitors for file changes while active - your visible file search results will always be up to date
Keeps track of folder sizes - any changes made to the file system will automatically update the folder sizes
Does not require a separate database file - all file data is kept in memory: