The largest open source community in the world

There are millions of open source projects on GitHub. Join one or start your own.

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Get the most out of open source

Open source software is free for you to use and explore. Get involved to perfect your craft and be part of something big.

Shape the future of software

Your contributions help make technology better for everyone, developers and non-developers alike.

Work with the best in the field

Amazing developers use GitHub. Contribute code to projects that change how software is built.

Grow your skills and help others

Whatever your skill level, working on open source software is a great way to learn new things.


Learn how to run a successful project

Open source is made by people just like you. Learn how to contribute, launch a new project, and build a healthy community of contributors.

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An easier way to contribute to open source

Every Friday, invest a few hours contributing to the software you use and love.

Contribute on Open Source Friday


Learn how others use and contribute to open source

Browse data from over 3,800 projects on the experiences and backgrounds of those who use and build open source software.

Read Open Source Survey

Join the community

Whether you are new to code or ready to start a big project, there are a few ways to get involved in open source.

Follow open source projects

Learn how developers build and maintain open source software. You can watch a project that interests you to see its progress as it happens.


Build on great ideas

You don’t have to build everything from scratch. Make copies of your favorite projects, experiment in private repositories, and tailor tools and features to meet your needs.


Contribute your skills

Make a suggestion, fix a bug, improve documentation, or contribute code to a project. Even asking questions helps.


The people behind the code

Open source software is made by people just like you. Here’s how they got started.

Katrina Owen

Katrina Owen created Exercism, a platform to gain fluency in programming languages, to solve her own needs. Today, Exercism supports more than 50 programming languages, written and used by developers in over 190 countries.

Yyx990803-project

Evan You

In 2013, Evan You founded Vue, a Javascript framework funded by the community on Patreon. In 2016, Vue reached 2,000,000 downloads.

Kris-nova-project

Kris Nova

Kris Nova quickly developed a passion for open source software. Now she gets to work on open source tooling at her day job, which includes maintaining Kubernetes Operations (kops).

Freakboy3742-project

Russell Keith-Magee

Russell Keith-Magee created BeeWare to fill a gap in his own process. Today, BeeWare is the go-to project for supporting Python on every platform.

Read more community stories

Explore millions of projects

Whatever your interest—whether it’s mobile apps or astrophysics—there’s an open source project for you.

Start exploring now


with by

We’re building developer tools alongside you. We hope they help you perfect your process, work on projects of any size, and share ideas with your friends and coworkers. Take them for a spin or help us build them.

Atom

Atom is a hackable text editor for the 21st century, built on Electron, and based on everything we love about our favorite editors.

Hubot

Hubot is a chat bot, modeled after GitHub's Campfire bot, hubot. He's pretty cool. He's extendable with scripts and can work on many different chat services.

Git Large File Storage

Git LFS is a command line extension and specification for managing large files with Git.

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Public projects are always free. Work together across unlimited private repositories for $7 / month.

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Where open source communities live · GitHub