GitHub is a web-based platform for hosting Git repositories that provides version control, code review, issue tracking, project management, and collaborative software development features. Acquired by Microsoft in 2018, it serves as the primary distribution hub for open-source software and integrates CI/CD via GitHub Actions, package registries, and an extensible API and webhook ecosystem.
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- GitHub hosts Git repositories and adds collaboration layers on top of the underlying version control system. Developers use it to fork projects, open pull requests, track issues, and manage releases. The platform also provides continuous integration through GitHub Actions and package hosting.
- Many open-source projects use GitHub as their primary home, which has made it a common point of distribution for software libraries and tools. It supports access control, code review workflows, and integration with external services through webhooks and an API.