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Firecamp vs Altair GraphQL Client: catalog facts
Firecamp	Altair GraphQL Client
Free Free to use as a guest; an account unlocks saved collections and team features.	Freemium The client is free and open source; Altair GraphQL Cloud is an optional hosted service.
Web	Windows, macOS, Linux, Web, Browser extension
Handles REST, GraphQL, WebSocket and Socket.IO in one tool Guest mode lets you send requests without signing up	Schema docs search with one-click query generation Environments, pre-request scripts and file uploads
Saving requests and collections requires an account Team collaboration depends on the hosted service	Focused on GraphQL only, not general REST testing Team sync features rely on the separate cloud service
Web application	Downloadable app, Browser extension
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.