Compare software

Firecamp vs WebSocket King: catalog facts
Firecamp	WebSocket King
Free Free to use as a guest; an account unlocks saved collections and team features.	Free Free to use in the browser.
Web	Web
Handles REST, GraphQL, WebSocket and Socket.IO in one tool Guest mode lets you send requests without signing up	Nothing to install Focused on WebSocket testing and debugging
Saving requests and collections requires an account Team collaboration depends on the hosted service	WebSockets only, not a general HTTP client Little public documentation about its features
Web application	Web application
Open source	Closed source
License not stated	License not stated
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 24, 2026

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