The largest open source community in the world
There are millions of open source projects on GitHub. Join one or start your own.
Sign up for GitHubGet 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.
Track your contributions
Code that you contribute to public and open source projects will appear on your GitHub Profile, a visual record of your work.
Celebrate your projects
You can showcase projects you create and share them with potential contributors using GitHub Pages—free, public web pages hosted on GitHub.
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, and tailor tools and features to meet your needs.
Contribute your skills
Make a suggestion, fix a bug, or contribute code to a project. Even asking questions or improving documentation helps.
Explore millions of projects
Whatever your interest—whether it’s mobile apps or astrophysics—there’s an open source project for you.
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.