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ProperTree vs PlistEdit Pro: catalog facts
ProperTree	PlistEdit Pro
Free Free and open source under the BSD 3-Clause licence.	Paid Paid app with a free trial.
Windows, macOS, Linux	macOS
Runs anywhere Python and Tkinter are available Drag and drop node reordering	Structured editing of plist and JSON files Search across a whole folder of plists
Requires a Python installation Tkinter interface looks basic	macOS only, requires macOS 14 or later Paid after the trial
Downloadable app	Downloadable app
Open source	Closed source
License: BSD-3-Clause	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 1, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.