Criline Search and Replace 

Criline Search and Replace is a search and replace program that handles multiple files. Criline Search and Replace works equally well with any type of file and supports regular expressions.
text replacer search replace regular expressions

AbleGet 

Find, download, upload files and MP3 EASIER and FASTER. Do not worry about slow transfer, broken downloads or finding rare music. Download even big movies whenever you want without waiting. Accelerate Internet connection. Save your time and nerves!
download upload find files and mp3 accelerate internet

ShellSearch 

Find misplaced shortcuts in several of Windows most commonly used shell locations fast just by entering a few letters of their names.
windows shell search shortcuts find files folders

zsCompare 

Manually or automatically compare files, folders, text files, source code, Word documents, Excel spreadsheets, and pdf files. You can even compare files within zip files. Includes zsDuplicateHunter a powerful duplicate file finder for free!
compare synchronize file folder text word document excel pdf backup zip jar comparison sync synchronization

Alvas.FileControls 

Collection allows C# and VB.Net developers to operate with files without writing code. Enough to place ExplorerTreeView and ExplorerListView on the form to get the possibilities of Windows Explorer in your applications...
c# vb.net components

File Maven Pro 

Windows file manager with dual directory display, built-in file viewer, text editor, and zip support. Copy, move, delete, wipe, rename, compare, split, join, execute, sort, print, and search files. Set datestamps and attributes.
file maven manager zip editor viewer copy move split