Total Commander - A Shareware file manager for Windows® 95/98/ME/NT/2000/XP/Vista/7, and Windows® 3.1.
Filza File Manager - Explore files and folders with list view or grid view. View / edit files with powerful viewers.
Double Commander - Double Commander is a cross-platform open source file manager with two panels side by side.
Documents by Readdle - A central hub for all your files.
XYplorer - File Manager for Windows
FileApp - FileApp is an iPhone and iPad File System and Document Viewer.