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ain vs curl: catalog facts
ain	curl
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	Speaks dozens of protocols with precise control over every request detail Present on almost every system, so scripts written with it run anywhere
Terminal only, no graphical interface Smaller community than the GUI clients it replaces	The option surface is vast and the manual page is enormous No interface for organising or replaying saved requests
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: curl
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.