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Hoppscotch vs Thunder Client: catalog facts
Hoppscotch	Thunder Client
Freemium Free and open source under the MIT licence, including self-hosting. A paid cloud plan…	Freemium A free tier is available. Paid licences add team and advanced features.
Windows, macOS, Linux, Web, Self-hosted, Browser extension	Windows, macOS, Linux
Opens in a browser tab with nothing to install HTTP, GraphQL, WebSocket, Server-Sent Events, Socket.IO and MQTT	Runs inside the editor, so no second application to switch to Collections stored as repository files instead of a cloud account
The browser version needs an extension or the desktop app to reach local services Team collaboration features are the paid part	Team features and some collection capabilities require a paid licence Tied to VS Code and JetBrains editors
Web application, Downloadable app, Self-hosted, Browser extension	Downloadable app
Open source	Closed source
License: MIT	License not stated
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked September 22, 2026

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