Multi Commander - Download and use Multi Commander free of charge. Just unpack the portable version (keep the folder structure) and run MultiCommander.
iFiles - iFiles 2 is a fully featured file manager for iOS
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.
X-plore File Manager - X-plore File Manager is a free, all-in-one file manager by Lonely Cat Games.
Amaze File Manager - Free and open-source Android file manager with no ads.