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ApifoxHoppscotch
Freemium

Free to start, with paid plans for teams.

 Freemium

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

Web Windows, macOS, Linux, Web, Self-hosted, Browser extension
  • Design, debugging, mocking and testing in one tool
  • Desktop and web clients
  • Opens in a browser tab with nothing to install
  • HTTP, GraphQL, WebSocket, Server-Sent Events, Socket.IO and MQTT
  • Proprietary
  • Official site blocks automated access, so feature details here are limited
  • The browser version needs an extension or the desktop app to reach local services
  • Team collaboration features are the paid part
Downloadable app, Web application Web application, Downloadable app, Self-hosted, Browser extension
Closed source Open source
License not stated License: MIT
Not stated if an account is 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.