GitHub

GitHub
source
Name	GitHub, Inc.
Founded	08 February 2008
Founders	Tom Preston-Werner, Chris Wanstrath, P. J. Hyett
Headquarters	San Francisco, California, U.S.
Key people	Thomas Dohmke (CEO)
Industry	Software development
Products	Git repository hosting, Collaborative software
Owner	Microsoft
Num employees	2,500+ (2024)
Website	https://github.com

GitHub is a web-based platform that provides version control and collaborative software development functionality using the Git distributed revision control system. Launched in 2008, it has become the world's largest host of source code, serving millions of developers and organizations globally. The platform facilitates open-source software development through features like pull requests, issue tracking, and continuous integration, while also offering private repositories for proprietary projects. Its ecosystem has fundamentally reshaped modern software engineering practices and community-driven development.

History

The company was founded in 2008 by developers Tom Preston-Werner, Chris Wanstrath, and P. J. Hyett as a logical evolution of the capabilities of Git, created by Linus Torvalds. Initial funding was provided by Andreessen Horowitz and Sequoia Capital, enabling rapid growth. A pivotal moment occurred in 2012 when the platform surpassed one million repositories, cementing its role in the open-source software movement. In 2018, Microsoft announced its acquisition of the company for $7.5 billion, a deal that closed later that year. Under the leadership of CEO Nat Friedman and later Thomas Dohmke, the platform has continued to expand its enterprise offerings and global developer community.

Features and services

The core service provides hosting for Git repositories, both public and private, with a web-based graphical interface. Key collaborative features include pull requests for proposing code changes, issue tracking for bug reports and feature requests, and GitHub Actions for automating software workflows. For organizations, GitHub Enterprise offers self-hosted or cloud-managed instances with enhanced security and compliance controls. Additional services include GitHub Copilot, an AI-powered code completion tool developed in partnership with OpenAI, and GitHub Packages for hosting software artifacts. The platform also integrates with numerous third-party tools like Jenkins, Slack, and Jira.

Business model and acquisitions

Its primary revenue streams include paid plans for private repositories and organizational features, as well as subscriptions to GitHub Enterprise for large companies. The Microsoft acquisition provided significant capital and integration with the Azure cloud platform and Visual Studio development tools. The company has strategically acquired several startups to enhance its platform, including Semmle for code analysis security, npm (the Node.js package manager), and Dependabot for automated dependency updates. These acquisitions have allowed it to expand from simple code hosting into a comprehensive software development lifecycle platform.

Impact and reception

The platform has had a profound impact on software development, becoming the de facto home for open-source projects like the Linux kernel, Python (programming language), and React (JavaScript library). It has democratized collaboration, allowing developers from companies like Google, Facebook, and Netflix to contribute to public projects. The introduction of the GitHub Student Developer Pack has been widely praised for providing free access to tools for education. Critically, it has received accolades for fostering community but has also faced scrutiny over maintaining a neutral platform for all projects, navigating complex issues involving entities like the Internet Archive and various governments.

Security and controversies

Security incidents have included a 2019 phishing attack and a 2022 breach involving OAuth tokens that compromised organizations like Heroku and Travis CI. The platform has faced significant controversy over its content moderation policies, including the 2019 decision to restrict access for developers in Iran, Syria, and Crimea to comply with United States sanctions administered by the Office of Foreign Assets Control. The use of GitHub Copilot has sparked legal and ethical debates over training AI on publicly available code, raising questions about copyright and open-source software licenses. Furthermore, employee concerns over contracts with agencies like Immigration and Customs Enforcement have led to internal protests and discussions about corporate ethics.

Category:Websites Category:Microsoft subsidiaries Category:Software development