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grpc/grpc v1.51.0
The C based gRPC (C++, Python, Ruby, Objective-C, PHP, C#)
⭐️ 36,370
🕓 5 days ago
.package(url: "https://github.com/grpc/grpc.git", from: "v1.51.0")

gRPC – An RPC library and framework

gRPC is a modern, open source, high-performance remote procedure call (RPC) framework that can run anywhere. gRPC enables client and server applications to communicate transparently, and simplifies the building of connected systems.

Homepage: grpc.io
Mailing List: [email protected]

Join the chat at https://gitter.im/grpc/grpc

To start using gRPC

To maximize usability, gRPC supports the standard method for adding dependencies to a user's chosen language (if there is one). In most languages, the gRPC runtime comes as a package available in a user's language package manager.

For instructions on how to use the language-specific gRPC runtime for a project, please refer to these documents

  • C++: follow the instructions under the src/cpp directory
  • C#: NuGet package Grpc
  • Dart: pub package grpc
  • Go: go get google.golang.org/grpc
  • Java: Use JARs from Maven Central Repository
  • Kotlin: Use JARs from Maven Central Repository
  • Node: npm install grpc
  • Objective-C: Add gRPC-ProtoRPC dependency to podspec
  • PHP: pecl install grpc
  • Python: pip install grpcio
  • Ruby: gem install grpc
  • WebJS: follow the grpc-web instructions

Per-language quickstart guides and tutorials can be found in the documentation section on the grpc.io website. Code examples are available in the examples directory.

Precompiled bleeding-edge package builds of gRPC master branch's HEAD are uploaded daily to packages.grpc.io.

To start developing gRPC

Contributions are welcome!

Please read How to contribute which will guide you through the entire workflow of how to build the source code, how to run the tests, and how to contribute changes to the gRPC codebase. The "How to contribute" document also contains info on how the contribution process works and contains best practices for creating contributions.


Sometimes things go wrong. Please check out the Troubleshooting guide if you are experiencing issues with gRPC.


See the Performance dashboard for performance numbers of master branch daily builds.


See gRPC Concepts

About This Repository

This repository contains source code for gRPC libraries implemented in multiple languages written on top of a shared C core library src/core.

Libraries in different languages may be in various states of development. We are seeking contributions for all of these libraries:

Language Source
Shared C [core library] src/core
C++ src/cpp
Ruby src/ruby
Python src/python
PHP src/php
C# (core library based) src/csharp
Objective-C src/objective-c
Language Source repo
Java grpc-java
Kotlin grpc-kotlin
Go grpc-go
NodeJS grpc-node
WebJS grpc-web
Dart grpc-dart
.NET (pure C# impl.) grpc-dotnet
Swift grpc-swift


Stars: 36372
Last commit: 2 days ago
jonrohan Something's broken? Yell at me @ptrpavlik. Praise and feedback (and money) is also welcome.

Release Notes

Release v1.51.0
5 days ago

This is release gRPC Core 1.51.0 (galaxy).

For gRPC documentation, see grpc.io. For previous releases, see Releases.

This release contains refinements, improvements, and bug fixes.


  • Bump core version 202211082118. (#31585)
  • c-ares DNS resolver: fix logical race between resolution timeout/cancellation and fd readability. (#31443)
  • [log] Longer space for filenames. (#31432)
  • c-ares DNS resolver: remove unnecessary code in SRV callback. (#31426)
  • Correct the domain-socket client address read out from the ServerContext. (#31108)
  • outlier detection: remove env var protection. (#31251)
  • EventEngineFactoryReset - remove custom factory and reset default engine. (#30554)
  • [tls] Remove support for pthread tls. (#31040)


  • Added version macros to gRPC C++. (#31033)
  • OpenCensus: Move measures, views and CensusContext to include file. (#31341)
  • GcpObservability: Add experimental public target. (#31339)


  • Fix msbuild failing when '@' is present in path (2nd attempt). (#31527)
  • Revert "Fix msbuild failing when '@' is present in path". (#31464)
  • Fix msbuild failing when '@' is present in path. (#31133)


  • fixing php 8.2 deprecations. (#30997)


  • Fix lack of cooldown between poll attempts. (#31550)
  • Build with System OpenSSL on Mac OS arm64. (#31096)
  • Remove enum and future. (#31381)
  • [Remove Six] Remove dependency on six. (#31340)
  • Update xds-protos package to pull in protobuf 4.X. (#31113)

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