Disk Cleanup will help you find fast all duplicate files in a folder and its sub folders. The applications will compare the content of your files so it will find duplicates even if they are using different file names. It uses fast binary comparison algorithm and has internal preview supporting a lot of image, video, music and text file formats. You can also preview the files in binary mode.
SearchGun is a full-text search utility . Search any files on your computer or local network by it content and file name. It will find anything you're looking for, even if you don't know how to spell them, or it is misspelled in the files.
Quickly search through large numbers of files on your PC or network using powerful text patterns to find exactly the information you want. Search and replace with plain text or regular expressions to maintain web sites, source code, reports, ...
Instant File Name Search
Instant File Name Search (IFNS) is a fast, free and easy to use search tool. Instantly search files by name or wildcards on your computer or local network.
Deductus disk catalog
Deductus is fast disk catalog and personal full-text search engine with explorer-like interface.
Urfin helps you to find files in your local Windows network. It has all information about files located in shared directories on computers in your office. Using any browser users can access Urfin as a usual Web site.