GitHub is a cloud-based platform for hosting Git repositories that provides developers with tools for version control, collaboration, code review, and project management. Acquired by Microsoft in 2018, GitHub has grown into the world's largest software development platform, hosting over 200 million repositories and serving as the central hub for open-source and private software projects alike.
Beyond basic repository hosting, GitHub offers a rich ecosystem of features including pull requests for code review, GitHub Actions for CI/CD automation, GitHub Issues for bug tracking, and GitHub Copilot for AI-assisted coding. Developers use pull requests to propose changes, discuss implementation details, and ensure code quality before merging updates into production branches.
GitHub plays a major role in the open-source community, making it easy for developers worldwide to discover projects, report issues, and contribute code. For businesses, GitHub provides enterprise-grade security, access controls, and compliance features that support professional software development at scale. Its integration with thousands of third-party tools makes it a key part of modern DevOps workflows.