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1gRPC - An RPC library and framework
2===================================
3
4gRPC 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.
5
6<table>
7  <tr>
8    <td><b>Homepage:</b></td>
9    <td><a href="https://grpc.io/">grpc.io</a></td>
10  </tr>
11  <tr>
12    <td><b>Mailing List:</b></td>
13    <td><a href="https://groups.google.com/forum/#!forum/grpc-io">grpc-io@googlegroups.com</a></td>
14  </tr>
15</table>
16
17[![Join the chat at https://gitter.im/grpc/grpc](https://badges.gitter.im/grpc/grpc.svg)](https://gitter.im/grpc/grpc?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
18
19# To start using gRPC
20
21To maximize usability, gRPC supports the standard method for adding dependencies to a user's chosen language (if there is one).
22In most languages, the gRPC runtime comes as a package available in a user's language package manager.
23
24For instructions on how to use the language-specific gRPC runtime for a project, please refer to these documents
25
26 * [C++](src/cpp): follow the instructions under the `src/cpp` directory
27 * [C#](src/csharp): NuGet package `Grpc`
28 * [Dart](https://github.com/grpc/grpc-dart): pub package `grpc`
29 * [Go](https://github.com/grpc/grpc-go): `go get google.golang.org/grpc`
30 * [Java](https://github.com/grpc/grpc-java): Use JARs from Maven Central Repository
31 * [Kotlin](https://github.com/grpc/grpc-kotlin): Use JARs from Maven Central Repository
32 * [Node](https://github.com/grpc/grpc-node): `npm install grpc`
33 * [Objective-C](src/objective-c): Add `gRPC-ProtoRPC` dependency to podspec
34 * [PHP](src/php): `pecl install grpc`
35 * [Python](src/python/grpcio): `pip install grpcio`
36 * [Ruby](src/ruby): `gem install grpc`
37 * [WebJS](https://github.com/grpc/grpc-web): follow the grpc-web instructions
38
39Per-language quickstart guides and tutorials can be found in the [documentation section on the grpc.io website](https://grpc.io/docs/). Code examples are available in the [examples](examples) directory.
40
41Precompiled bleeding-edge package builds of gRPC `master` branch's `HEAD` are uploaded daily to [packages.grpc.io](https://packages.grpc.io).
42
43# To start developing gRPC
44
45Contributions are welcome!
46
47Please read [How to contribute](CONTRIBUTING.md) 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
48the gRPC codebase.
49The "How to contribute" document also contains info on how the contribution process works and contains best practices for creating contributions.
50
51# Troubleshooting
52
53Sometimes things go wrong. Please check out the [Troubleshooting guide](TROUBLESHOOTING.md) if you are experiencing issues with gRPC.
54
55# Performance
56
57See the [Performance dashboard](https://performance-dot-grpc-testing.appspot.com/explore?dashboard=5652536396611584) for performance numbers of master branch daily builds.
58
59# Concepts
60
61See [gRPC Concepts](CONCEPTS.md)
62
63# About This Repository
64
65This repository contains source code for gRPC libraries implemented in multiple languages written on top of a shared C core library [src/core](src/core).
66
67Libraries in different languages may be in various states of development. We are seeking contributions for all of these libraries:
68
69| Language                | Source                              |
70|-------------------------|-------------------------------------|
71| Shared C [core library] | [src/core](src/core)                |
72| C++                     | [src/cpp](src/cpp)                  |
73| Ruby                    | [src/ruby](src/ruby)                |
74| Python                  | [src/python](src/python)            |
75| PHP                     | [src/php](src/php)                  |
76| C# (core library based) | [src/csharp](src/csharp)            |
77| Objective-C             | [src/objective-c](src/objective-c)  |
78
79| Language                | Source repo                                          |
80|-------------------------|------------------------------------------------------|
81| Java                    | [grpc-java](https://github.com/grpc/grpc-java)       |
82| Kotlin                  | [grpc-kotlin](https://github.com/grpc/grpc-kotlin)   |
83| Go                      | [grpc-go](https://github.com/grpc/grpc-go)           |
84| NodeJS                  | [grpc-node](https://github.com/grpc/grpc-node)       |
85| WebJS                   | [grpc-web](https://github.com/grpc/grpc-web)         |
86| Dart                    | [grpc-dart](https://github.com/grpc/grpc-dart)       |
87| .NET (pure C# impl.)    | [grpc-dotnet](https://github.com/grpc/grpc-dotnet)   |
88