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From [open source](/open-source) to [business](/business) , you can host and review code, manage projects, and build software alongside 31 million developers. inputinputUsernameEmailPassword Make sure it's at least 15 characters OR at least 8 characters including a number and a lowercase letter . [Learn more](https://help.github.com/articles/creating-a-strong-password) . inputinputinputSign up for GitHub By clicking “Sign up for GitHub”, you agree to our [Terms of Service](https://help.github.com/terms) and [Privacy Statement](https://help.github.com/privacy) . We’ll occasionally send you account\-related emails. [Sign up for GitHub](/join?source=button-home)## Get started with GitHub Enterprise Take collaboration to the next level with security and administrative features built for businesses. 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[→](/join?plan=business&setup_organization=true&source=business-page)![](https://github.githubassets.com/images/modules/site/home-illo-team.svg)[ ](/features/code-review)### Write better code Collaboration makes perfect. The conversations and code reviews that happen in Pull Requests help your team share the weight of your work and improve the software you build. Learn about code review. path[ ](/features/project-management)### Manage your chaos Take a deep breath. On GitHub, project management happens in Issues and Projects, right alongside your code. All you have to do is mention a teammate to get them involved. Learn about project management. path[ ](/features/integrations)### Find the right tools Browse and buy apps from GitHub Marketplace with your GitHub account. Find the tools you like or discover new favorites—then start using them in minutes. 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[*](/open-source)repositories worldwide GitHub’s users create and maintain influential technologies alongside the world’s largest open source community . path[*](/personal)developers worldwide Developers use GitHub for personal projects, from experimenting with new programming languages to hosting their life’s work. path[*](/business)businesses & organizations worldwide Businesses of all sizes use GitHub to support their development process and to securely build software. path \* As of November 2018 ## Get started for free — join the millions of developers already using GitHub to share their code, work together, and build amazing things. inputinputUsernameEmailPasswordinputinputinputSign up for GitHub By clicking “Sign up for GitHub”, you agree to our [terms of service](https://help.github.com/terms) and [privacy statement](https://help.github.com/privacy) . We’ll occasionally send you account related emails. 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