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RESTerHoppscotch
Free

Free browser extension.

 Freemium

Free and open source under the MIT licence, including self-hosting. A paid cloud plan…

Browser extension Windows, macOS, Linux, Web, Self-hosted, Browser extension
  • Any HTTP method, headers and body
  • Saved requests for reuse
  • Opens in a browser tab with nothing to install
  • HTTP, GraphQL, WebSocket, Server-Sent Events, Socket.IO and MQTT
  • Runs only inside the browser
  • Fewer collaboration features than full API platforms
  • The browser version needs an extension or the desktop app to reach local services
  • Team collaboration features are the paid part
Browser extension Web application, Downloadable app, Self-hosted, Browser extension
Closed source Open source
License not stated License: MIT
No account needed No account needed
Not stated if it works offline Works offline

Checked September 24, 2026

Checked September 21, 2026

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