Solid Explorer - Solid Explorer is a powerful Android file manager featuring access to most popular cloud storages, root access and easy extensibility.
Total Commander - A Shareware file manager for Windows® 95/98/ME/NT/2000/XP/Vista/7, and Windows® 3.1.
MiXplorer - MiXplorer is a mobile app that was designed to make it easy to organize and manage the files on your Android device.
fman - An unexpected gift. January 07, 2018 by Michael. One of the nice things that happened last week was an fman user writing in to say that 1) fman "is THE BEST SOFTWARE" (sic). And that 2) he would like to send me a $50 tip.
Amaze File Manager - Free and open-source Android file manager with no ads.
Double Commander - Double Commander is a cross-platform open source file manager with two panels side by side.