Best gRPC Tools in 2026
Updated
In short: grpcui is ranked #1 of 23 as of 5 October 2026, ahead of Kreya and ProtoCall. The best-ranked option with a free plan is Kreya. The lowest first paid tier on this page is grpcmd at $0.75/mo.
When working with gRPC services, you may need tools for exploring interfaces, testing behavior, and fitting work into a delivery process. Compared on CI integration, deployment model, server reflection, and gRPC-Web support, these entries also cover mock servers, load testing, and Protobuf editors. grpcui, Kreya, and Evans are among the tools shown. Free-plan availability and paid-from pricing provide cost context alongside those capabilities. Consider which combination of service exploration, testing, and integration features fits your workflow, using the published criteria to compare the options for your gRPC work.
23 gRPC tools ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
15 of the 23 here have a free tier you can use, 0 have open-source code on record, and 0 have full bars: free, open, on most of your devices and documented.
| # | App | Signal | Free tier | Open code | Devices | From | Score |
|---|---|---|---|---|---|---|---|
| 1 | grpcuiWeb · Windows · Mac · Linux · Self-hosted | Three bars | — | 4 of 6 | Free | 6.6 | |
| 2 | KreyaWindows · Mac · Linux | Three bars | — | 3 of 6 | $5/mo | 6.6 | |
| 3 | ProtoCallWeb · Windows · Mac · Linux | Three bars | — | 4 of 6 | Free | 6.6 | |
| 4 | BanduraWindows · Mac · Linux · Self-hosted | Three bars | — | 3 of 6 | Free | 6.5 | |
| 5 | EvansWindows · Mac · Linux | Three bars | — | 3 of 6 | Free | 6.5 | |
| 6 | FintXWindows · Mac · Linux | Three bars | — | 3 of 6 | Free | 6.5 | |
| 7 | grpcmdWindows · Mac · Linux | Three bars | — | 3 of 6 | $0.75/mo | 6.5 | |
| 8 | MediatorWindows · Mac · Linux | Three bars | — | 3 of 6 | Free | 6.5 | |
| 9 | ghzLinux · Self-hosted · API | Two bars | — | 1 of 6 | Free | 6.4 | |
| 10 | grpcmock-goLinux · Self-hosted | Two bars | — | 1 of 6 | Free | 6.4 | |
| 11 | WireManLinux | Two bars | — | 1 of 6 | Free | 6.4 | |
| 12 | ChikoNo platforms listed | Two bars | — | 0 of 6 | Free | 6.3 | |
| 13 | GrancLinux | Two bars | — | 1 of 6 | Free | 6.3 | |
| 14 | GripMockWeb · Windows · Mac · Linux · Self-hosted · API | Two bars | — | — | 4 of 6 | — | 5.7 |
| 15 | BloomRPC ExtendedWindows · Mac · Linux | Two bars | — | — | 3 of 6 | — | 5.6 |
| 16 | gRPC CLIWindows · Mac · Linux | Three bars | — | 3 of 6 | Free | 5.5 | |
| 17 | protoc-gen-docWindows · Mac · Linux · Self-hosted | Two bars | — | — | 3 of 6 | — | 5.5 |
| 18 | gRPC StudioWeb · Linux · Self-hosted | One bar | — | — | 2 of 6 | — | 5.4 |
| 19 | gRPC SwaggerWeb · Self-hosted · API | One bar | — | — | 1 of 6 | — | 5.3 |
| 20 | grpc-docsWeb | One bar | — | — | 1 of 6 | — | 5.3 |
| 21 | grpc-wiremockSelf-hosted | One bar | — | — | 0 of 6 | — | 5.3 |
| 22 | sabledocsWindows · Mac · Linux | Three bars | — | 3 of 6 | Free | 5.3 | |
| 23 | grpcmockNo platforms listed | One bar | — | — | 0 of 6 | — | 5.2 |
Compare all 23 in a table
| # | App | Score | Free plan | From | Free plan | Paid from | Deployment model | gRPC-Web support |
|---|---|---|---|---|---|---|---|---|
| 1 | grpcui | 6.6 | Free plan | Free | Yes | — | desktop | — |
| 2 | Kreya | 6.6 | Free plan | $5/mo | Yes | — | — | — |
| 3 | ProtoCall | 6.6 | Free plan | Free | Yes | — | cloud | — |
| 4 | Bandura | 6.5 | Free plan | Free | Yes | — | desktop | — |
| 5 | Evans | 6.5 | Free plan | Free | Yes | — | self_hosted | Yes |
| 6 | FintX | 6.5 | Free plan | Free | Yes | — | desktop | — |
| 7 | grpcmd | 6.5 | Free plan | $0.75/mo | Yes | — | desktop | — |
| 8 | Mediator | 6.5 | Free plan | Free | — | — | — | — |
| 9 | ghz | 6.4 | Free plan | Free | Yes | — | self_hosted | — |
| 10 | grpcmock-go | 6.4 | Free plan | Free | Yes | — | — | — |
| 11 | WireMan | 6.4 | Free plan | Free | — | — | desktop | — |
| 12 | Chiko | 6.3 | Free plan | Free | — | — | desktop | — |
| 13 | Granc | 6.3 | Free plan | Free | — | — | self_hosted | — |
| 14 | GripMock | 5.7 | No | — | — | — | self_hosted | Yes |
| 15 | BloomRPC Extended | 5.6 | No | — | Yes | — | desktop | Yes |
| 16 | gRPC CLI | 5.5 | Free plan | Free | — | — | desktop | — |
| 17 | protoc-gen-doc | 5.5 | No | — | — | — | self_hosted | — |
| 18 | gRPC Studio | 5.4 | No | — | — | — | self_hosted | — |
| 19 | gRPC Swagger | 5.3 | No | — | — | — | self_hosted | — |
| 20 | grpc-docs | 5.3 | No | — | — | — | self_hosted | — |
| 21 | grpc-wiremock | 5.3 | No | — | — | — | self_hosted | — |
| 22 | sabledocs | 5.3 | Free plan | Free | Yes | — | self_hosted | — |
| 23 | grpcmock | 5.2 | No | — | — | — | self_hosted | — |
Is your app on this list?
Numbered spots on this list can be sponsored, and a sponsored row is labelled as paid.
Questions about this list
Which gRPC tool is ranked first on Freedom251?
grpcui is ranked #1 of 23 with a score of 6.6. Kreya is second and ProtoCall third.
How many of these have a free plan?
15 of the 23 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, grpcmd has the lowest first paid tier we found: $0.75/mo.
How is this list ranked?
Ranked free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation.