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API DashYaak
Free

Free and open source.

 Freemium

Yaak is MIT licensed and free to build and use. Development is funded by…

Windows, macOS, Linux Windows, macOS, Linux
  • Generates client code in several languages
  • Previews 40+ response media types
  • Requests are stored as files on your machine, so a git repository is the shared collection
  • REST, GraphQL, gRPC, WebSocket and Server-Sent Events in one client
  • Younger project than established API clients
  • No browser or mobile version
  • A much younger project than Postman, with a smaller community
  • No hosted collaboration features if that is what you actually want
Downloadable app Downloadable app
Open source Open source
License not stated License: MIT
No account needed No account needed
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.