GitHub is a web-based platform for version control, collaboration, and software development. It allows developers to share, edit, and store programming code online. Founded in 2007 and launched in 2008, GitHub has grown to over 150 million users and hosts more than 420 million projects. The platform is owned by Microsoft, which acquired it in 2018. GitHub offers a range of services, including repository hosting, version control, code review, issue tracking, and project management. Users can create their own copies of repositories, track project changes, and host web pages through GitHub Pages. GitHub Enterprise provides secure on-premises repository hosting for large teams. Additionally, GitHub Copilot, an AI-powered developer tool, significantly contributes to the company's revenue growth. Major companies like Google, Facebook, and Microsoft utilize GitHub for their development needs. The company is headquartered in San Francisco.