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ain vs Hurl: catalog facts
ain	Hurl
Free Free to download.	Free The open-source application is available without a license fee.
Windows, macOS, Linux, Command line	Windows, macOS, Linux, Command line
Requests kept as plain-text files in folders Environment variables and .env file support	Request chaining with response assertions
Terminal only, no graphical interface Smaller community than the GUI clients it replaces	Authentication and test data must be configured for the target service.
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: Apache-2.0
No account needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 22, 2026

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