PlistEdit Pro - PlistEdit Pro is the most advanced property list and JSON editor written for macOS.
Deck - A multi-timeline viewer for GitHub repository events
plist Editor - Reads and writes both text and binary .plist files.
ChronoFlo Timeline Maker - Create beautiful interactive timelines that you can share online
Pref Setter - Pref Setter is an application for Mac OS X used to edit property list files.
Time.Graphics - Time.Graphics is a timeline and free of charge online service for creating infographics.