Solid Explorer - Solid Explorer is a powerful Android file manager featuring access to most popular cloud storages, root access and easy extensibility.
Stingle Photos - Stingle Photos is a secure photo/video encryption and backup application that provides strong security, privacy, encryption and safely saves your media on cloud storage keeping you safe from data breaches and leaks.
Amaze File Manager - Free and open-source Android file manager with no ads.
KeepSafe - Keep your entire photo library safely stored in an encrypted private cloud.
Total Commander - A Shareware file manager for Windows® 95/98/ME/NT/2000/XP/Vista/7, and Windows® 3.1.
Photok - A safe place for your photos. It stores your photos encrypted on your device and hides them from others.