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)
Managify - Create & organize all your documents in a single platform.
plist Editor - Reads and writes both text and binary .plist files.
Sismics Docs - Lightweight full-featured document management system 📁
FileBrowser - FileBrowser is a multifunctional file manager for the iOS devices that are used for accessing files in both local and networked environment.
DEVONthink - DEVONtechnologies develops DEVONthink, DEVONagent, and other Mac and iOS apps for document and information management and web research.