The simple app for finding & managing duplicate files on your Mac. Singlemizer brings order out of chaos and frees up disk space.

Features:

• Minimalist UI: Simple and lightweight UI doesn't distract with inappropriate animations and visual noise.
• External Drives Support: Scan internal and external HDDs, removable USB drives and even network directories on a remote Macs.
• Folders Priorities: Priorities help to determine which file from the group of found duplicates should be considered original.
• Efficient Scan Algorithm: Fast and precise detection of duplicates utilizing file's contents via cryptographic digest function.
• Progressive Results: Duplicates are listed as soon as they are identified. All copies of a particular file arrive simultaneously.
• Duplicate Folders Detection: Detecting duplicate folders makes a list of scan results much more compact.
• Duplicates' Filtering: Filter duplicates' list by filename and switch file type metagroups.
• Duplicates' Sorting: Sort duplicates' list by numerous criterias, such as wasted space or redundant copies count.
• Instant Quick Look Preview: Files from the results' list can be instantly previewed via Finder-like Quick Look function.
• One Click Duplicates' Selection: Select a couple of duplicates and click on the checkbox in front of any file to check all entries in the selection.
• Safe Duplicates' Removal: Original files are always left untouched. You can't remove the most important, last copies of data.
• Linking Duplicates to the Original Item: Power user?! Replace duplicates with aliases, symbolic links or hardlinks. All kinds at your service.

Limitations: Trial version has no limitations and provides all features, except the ability to remove files from the application.

Requirements:
OS X 10.8+
Intel

Also available are Intel versions:
3.0.2 for OS X 10.7
2.0.6 for OS X 10.6
1.0.4 for OS X 10.5