Immersive Explorer - Browse Folders, Libraries, Favorites etc.
iMazing - iMazing lets you transfer music, files, messages, apps and more from any iPhone, iPad, or iPod to a computer, Mac or PC. Manage and backup your iOS device simply without iTunes. (was DiskAid)
elokab file manager - elokab-fm fast and lightweight file manager
FileBrowser - FileBrowser is a multifunctional file manager for the iOS devices that are used for accessing files in both local and networked environment.
Newgen - Newgen is an application that brings the new Metro UI to your desktop.
Documents by Readdle - A central hub for all your files.