Webmin. Five tools for getting rid of duplicate files. If your system has gotten gunked up with duplicate files, clean up the mess with one of the handy tools on this list. Duplicate files and folders can clutter up a user's computer, and they can wreak havoc on collaborative work. Although manually tracking down dupes is hardly practical, a number of specialized tools can handle the task. Note: This list is also available as a photo gallery. 1: WinMerge WinMerge (Figure A) is an open source package for Windows that can find duplicate files and perform merge and comparison of various text file types.
The upcoming version 3 will work on both Windows and Linux platforms. Figure A WinMerge 2: DoubleKiller DoubleKiller (Figure B) offers powerful comparison features, including hash comparison and filtering of which files to include in the comparison. Figure B DoubleKiller 3: Easy Duplicate Finder Easy Duplicate Finder (Figure C) lives up to its name, being easy to use indeed. Figure C Easy Duplicate Finder 4: dupeGuru Music Edition Figure D Figure E. Nirsoft. Links, Tools and Stuff.
PDF Stream Dumper From over at RE Corner comes the PDF Stream Dumper tool; actually, this one has been out for some time now. This tool was written in VB6, and comes with a number of automation scripts. Swing on by Lenny's blog for some create examples of how to use it, or check out this KernelMode page for some other examples of the dumper being used. If you're not too put off by CLI tools, you might consider using this in conjunction with Didier's PDF tools. Didier's stuff is also in use by VirusTotal. That's not to say that one's better to use than the other...it's good to have both available. While we're on the subject of document metadata, it's a good idea to mention Kristinn Gudjonsson, creator of log2timeline, also created the read_open_xml.pl Perl script for extracting metadata from MS Word 2007 documents (use and output described at the SANS Forensic Blog).
The beta of OSForensics was recently made available for a limited time, for free. Name Dropper: Drag-and-Drop Renaming. Network tools. PortableApps. VLC. 7-Zip.