Duplicate Cleaner Alternatives

Duplicate Cleaner

Duplicate cleaner is a useful program to help you organize the contents of your home hard drive or corporate network.
Find and delete duplicate files, mp3s, photos, old documents and much more. Once these files are found you are provided with helper tools to enable you to select which copies to delete or move. These files can be deleted to the recycle bin, moved into an archive elsewhere, or replaced with hardlinks.

Features:

Find Duplicate Files by content, fast!
Cleaner hard drives means faster performance
Fast Scanning and accurate duplicate comparison (Uses the MD5 Hash algorithm)
Deep scans music - locate duplicate music formats (MP3, iTunes, etc)
Flexible search parameters
Intelligent Selection Assistant
Search home or networked drives
Search multiple locations
Export / Import results in CSV format
View Path,Size and Date of files
Large, resizable list window
Image preview window
Delete duplicate files to the Recycle bin
Move dupe files to a new location
Turn duplicate file into hard links (NTFS file systems only)
Protection for Windows and system files
Supports multiple languages

There's also a pro-version with even more features, which is also meant for commercial use.