1)   NoClone - Find Duplicate Files 4.0.46
NoClone - Find and Delete TRUE duplicate files by byte-to-byte comparison. Smart Marker helps to clean up hard drive.

 2)   NoClone - Check & Remove Redundant Files 3.2.23
NoClone Enterprise - Find and Delete TRUE duplicate files by byte-to-byte comparison. Smart Marker helps to clean up hard drive. All redundant songs, images, photos, documents, itunes or other file types can be scanned.

 3)   Duplicate File Remover 1.4
Duplicate File Remover is a powerful tool to locate file duplicates on your computer (dedupe). It scans the computer and lists duplicate files based on Byte for Byte Comparison, which ensures 100% accuracy.

 4)   NoClone/No Clone - File Duplication 3.2.23
NoClone Enterprise - Find and Delete TRUE duplicate files by byte-to-byte comparison. Smart Marker helps to clean up hard drive. All redundant songs, images, photos, documents, itunes or other file types can be scanned.