Git is a free, open-source version control system praised for its speed, efficiency, and ease of use, surpassing other systems like Subversion. Its features include local branching and staging areas, catering to diverse workflows. Comprehensive documentation, including a free online book ("Pro Git"), and various downloads are readily available. A thriving community supports its development and ongoing maintenance. Numerous major companies and projects, such as Google, Microsoft, and Linux, utilise Git.