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XML Notepad vs Oxygen XML Editor: catalog facts
XML Notepad	Oxygen XML Editor
Free Free and open source under the MIT licence.	Paid Commercial licence; a trial is available.
Windows	Windows, macOS, Linux
Tree view synchronized with node text editing Imports CSV, JSON and HTML as XML	Broad coverage of XML standards including XSLT, XQuery, XSD and DITA XSLT and XQuery debuggers
Windows only Focused on XML rather than general text editing	Paid software Large feature set takes time to learn
Downloadable app	Downloadable app
Open source	Closed source
License: MIT	License not stated
No account needed	Not stated if an account is needed
Works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

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