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Go – is an open source programming language project to make programmers more productive.

The Go Programming Language

Go is an open source programming language that makes it easy to build simple, reliable, and efficient software.

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For documentation about how to install and use Go, visit or load doc/install-source.html in your web browser.

Our canonical Git repository is located at There is a mirror of the repository at

Please report issues here:

Go is the work of hundreds of contributors. We appreciate your help!

To contribute, please read the contribution guidelines:

Please note that we do not use pull requests.

Unless otherwise noted, the Go source files are distributed under the BSD-style license found in the LICENSE file.

Binary Distribution Notes

If you have just untarred a binary Go distribution, you need to set the environment variable $GOROOT to the full path of the go directory (the one containing this file). You can omit the variable if you unpack it into /usr/local/go, or if you rebuild from sources by running all.bash (see doc/install-source.html). You should also add the Go binary directory $GOROOT/bin to your shell’s path.

For example, if you extracted the tar file into $HOME/go, you might put the following in your .profile:

export GOROOT=$HOME/go
export PATH=$PATH:$GOROOT/bin

See or doc/install.html for more details.


The Go programming language is an open source project to make programmers more productive.

Go is expressive, concise, clean, and efficient. Its concurrency mechanisms make it easy to write programs that get the most out of multicore and networked machines, while its novel type system enables flexible and modular program construction. Go compiles quickly to machine code yet has the convenience of garbage collection and the power of run-time reflection. It’s a fast, statically typed, compiled language that feels like a dynamically typed, interpreted language.

Installing Go

Getting Started

Instructions for downloading and installing the Go compilers, tools, and libraries.

Learning Go

A Tour of Go

An interactive introduction to Go in three sections. The first section covers basic syntax and data structures; the second discusses methods and interfaces; and the third introduces Go’s concurrency primitives. Each section concludes with a few exercises so you can practice what you’ve learned. You can take the tour online or install it locally.

How to write Go code

Also available as a screencast, this doc explains how to use the go command to fetch, build, and install packages, commands, and run tests.

Effective Go

A document that gives tips for writing clear, idiomatic Go code. A must read for any new Go programmer. It augments the tour and the language specification, both of which should be read first.

Frequently Asked Questions (FAQ)

Answers to common questions about Go.

The Go Wiki

A wiki maintained by the Go community.


See the Learn page at the Wiki for more Go learning resources.


Package Documentation

The documentation for the Go standard library.

Command Documentation

The documentation for the Go tools.

Language Specification

The official Go Language specification.

The Go Memory Model

A document that specifies the conditions under which reads of a variable in one goroutine can be guaranteed to observe values produced by writes to the same variable in a different goroutine.

Release History

A summary of the changes between Go releases.


The Go Blog

The official blog of the Go project, featuring news and in-depth articles by the Go team and guests.


Guided tours of Go programs.





See the Articles page at the Wiki for more Go articles.


A Video Tour of Go

Three things that make Go fast, fun, and productive: interfaces, reflection, and concurrency. Builds a toy web crawler to demonstrate these.

Code that grows with grace

One of Go’s key design goals is code adaptability; that it should be easy to take a simple design and build upon it in a clean and natural way. In this talk Andrew Gerrand describes a simple “chat roulette” server that matches pairs of incoming TCP connections, and then use Go’s concurrency mechanisms, interfaces, and standard library to extend it with a web interface and other features. While the function of the program changes dramatically, Go’s flexibility preserves the original design as it grows.

Go Concurrency Patterns

Concurrency is the key to designing high performance network services. Go’s concurrency primitives (goroutines and channels) provide a simple and efficient means of expressing concurrent execution. In this talk we see how tricky concurrency problems can be solved gracefully with simple Go code.

Advanced Go Concurrency Patterns

This talk expands on the Go Concurrency Patterns talk to dive deeper into Go’s concurrency primitives.


See the Go Talks site and wiki page for more Go talks.

Non-English Documentation

See the NonEnglish page at the Wiki for localized documentation.

More information can be found on: and on: and on

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