Noteshelf - Take beautiful handwritten notes or annotate PDFs on your iPad, and now even on your iPhone.
plist Editor - Reads and writes both text and binary .plist files.
Xodo - Try easy-to-use PDF tools that keep your documents safe. Work with your important files across all platforms and devices with the ultimate all-in-one document solution. Your productivity lives at Xodo!
PlistEdit Pro - PlistEdit Pro is the most advanced property list and JSON editor written for macOS.
FileApp - FileApp is an iPhone and iPad File System and Document Viewer.
Notepad++ - A free source code editor which supports several programming languages running under the MS Windows environment.