MiXplorer - MiXplorer is a mobile app that was designed to make it easy to organize and manage the files on your Android device.
F-Stop Media Gallery - Image and video organizer.
Solid Explorer - Solid Explorer is a powerful Android file manager featuring access to most popular cloud storages, root access and easy extensibility.
A Photo Manager - Manage local photos on Android: gallery, geotag with photomap, tags, find, sort, view, copy...
Sliding Explorer - Sliding Explorer is a free fast and stylish file manager app specially designed for those who want to manage their phone files easily and quickly.
LeafPic - LeafPic is a fluid, material-designed alternative gallery.