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YaadeHoppscotch
Free

Free and open source to self-host.

 Freemium

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

Web, Self-hosted, Browser extension Windows, macOS, Linux, Web, Self-hosted, Browser extension
  • Self-hosted, so request data stays on your server
  • Shared collections for team collaboration
  • Opens in a browser tab with nothing to install
  • HTTP, GraphQL, WebSocket, Server-Sent Events, Socket.IO and MQTT
  • Requires running and maintaining a server
  • Commit activity has slowed since May 2025
  • The browser version needs an extension or the desktop app to reach local services
  • Team collaboration features are the paid part
Self-hosted, Browser extension Web application, Downloadable app, Self-hosted, Browser extension
Open 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 October 2, 2026

Checked September 21, 2026

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