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grpc-client-cligrpcui
Free

Free to download from its GitHub repository.

 Free

Free and open source under the MIT licence.

macOS, Linux, Command line Web, Command line
  • Discovers services and methods through gRPC reflection
  • Works with proto files when reflection is off
  • Browser forms for calling gRPC methods
  • Postman-style workflow for gRPC rather than REST
  • Command-line only, no graphical interface
  • Smaller project with a single main maintainer
  • Covers gRPC only, not REST or GraphQL
  • Launched from the command line rather than as a desktop app
Downloadable app Downloadable app
Closed source Open source
License not stated License: MIT
No account needed No account needed
Not stated if it works offline Not stated if it works offline

Checked October 2, 2026

Checked September 23, 2026

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