File Managers
The Best Free File Manager Apps that can be run from USB
Xyplorer Free Portable File Manager
Xyplorer is an outstanding free and portable file manager for Windows, initially developed by the Cologne Code Company. Packed with a wide array of features, this alternate file explorer software operates completely standalone, making it an ideal choice for running directly from a USB flash drive without installation.
CloneSpy Find and Remove Duplicate Files
CloneSpy is a freeware duplicate file removing tool that can be used to find and remove duplicate files, clean your computer of unnecessary clutter, and free up drive space. This tool can detect and list files that are either exact duplicates, have same file name, have same size, or are zero bytes long.
UltraExplorer - Portable File Navigation Tool
UltraExplorer was designed to be the ultimate file manager and can be used to replace Windows Explorer. It sports many additional features such as a customizable user interface, favorites window, filter window, history window and even comes with the option to run the command line window from the current directory.
SE-Explorer - File Explorer Replacement
SE-Explorer is an awesome Free Portable File Manager and Explorer for Windows (Windows File Explorer Replacement). SE-Explorer features a tabbed interface with dual pane browsing, a file search option, a file size scanner to help locate the largest files, resource (hex) view for exe files and icons, syntax highlighted text viewer, built in web browser and much more.