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Resterm vs ain: catalog facts
Resterm	ain
Free Free and open source under the Apache 2.0 licence.	Free Free to download.
Windows, Linux, Command line	Windows, macOS, Linux, Command line
Plain .http files that fit into git Covers HTTP, GraphQL, gRPC, WebSocket and SSE	Requests kept as plain-text files in folders Environment variables and .env file support
Terminal interface only, no graphical app Many features to learn compared with a simple request tool	Terminal only, no graphical interface Smaller community than the GUI clients it replaces
Downloadable app	Downloadable app
Open source	Closed source
License: Apache-2.0	License not stated
No account needed	No account needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 24, 2026

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