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Oxygen XML Developer vs Visual Studio Code: catalog facts
Oxygen XML Developer	Visual Studio Code
Paid Commercial licence, with a free trial available.	Free Free to download and use. GitHub Copilot and other AI features are separate paid…
macOS	Windows, macOS, Linux
XSLT and XQuery debuggers Visual XSD and JSON Schema diagrams	Extensions for essentially every language and framework Remote development over SSH, in containers and in WSL
Paid licence after the trial Large feature set takes time to learn	The shipped build is not open source and collects telemetry by default Its extension marketplace is licensed for Microsoft builds only
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License: Microsoft product licence
Not stated if an account is 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 September 21, 2026

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