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Restfox vs Nightingale: catalog facts
Restfox	Nightingale
Free Free and open source.	Free Available from the Microsoft Store and GitHub releases.
Web	Windows
Lightweight and quick to open Works offline	Native Windows app that is light on resources Variables and environments
Fewer collaboration and automation features than larger API platforms	Windows only Smaller feature set than larger API platforms
Downloadable app, Web application	Downloadable app
Open source	Closed source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 1, 2026

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