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Firecamp vs websocat: catalog facts
Firecamp	websocat
Free Free to use as a guest; an account unlocks saved collections and team features.	Free Free and open source.
Web	Command line
Handles REST, GraphQL, WebSocket and Socket.IO in one tool Guest mode lets you send requests without signing up	Quick interactive testing of WebSocket endpoints Works in pipes and shell scripts
Saving requests and collections requires an account Team collaboration depends on the hosted service	Command line only Advanced options take time to learn
Web application	Downloadable app
Open source	Open source
License not stated	License not stated
No account needed	No account 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 23, 2026

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