Documents by Readdle - A central hub for all your files.
plist Editor - Reads and writes both text and binary .plist files.
FileApp - FileApp is an iPhone and iPad File System and Document Viewer.
PlistEdit Pro - PlistEdit Pro is the most advanced property list and JSON editor written for macOS.
Documents Pro 7 - The ultimate all-in-one mobile office suite for the iPhone and iPad with 8 premium apps in 1.
Notepad++ - A free source code editor which supports several programming languages running under the MS Windows environment.