Evans

6.9easy start · #9 of 23
in gRPC Tools

Runs on Linux, Mac, Windows.

Evans is ranked #9 of 23 in gRPC tools on The Geeks Club. It runs on Linux, macOS, Windows. There is a free plan.

Evans plans and pricing

Evans Free Open-source gRPC client github.com · 3 Oct 2026

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Purpose: Evans is a universal gRPC client for manual API inspection and scripting.
REPL mode: Its interactive REPL provides completion for package, service, and RPC names.
CLI mode: Its stateless CLI accepts input from standard input or files and prints JSON formatted results.
Reflection: When the gRPC server has reflection enabled, Evans can use reflection instead of proto files.
Streaming: Evans supports client streaming, server streaming, and bidirectional streaming RPCs.
gRPC-Web: Evans supports gRPC-Web, but TLS is currently not supported for gRPC-Web.
Protocols: The listed supported IDL and codec is Protocol Buffers 3, and the listed compressor is GZIP.
Transport security: The README shows connecting to servers that require secure TLS connections using the --tls option.
Install options: The project documents GitHub Releases, Homebrew, Docker, and Go installation; it recommends Releases or Homebrew for automatic updates.
Runtime requirement: The documented Go installation requires Go v1.20 or later.
Notable limitation: The repeat option does not support client-streaming or bidirectional-streaming RPCs.
License: The repository identifies its license as MIT.
Price from: Free

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