Git is a distributed version control system that allows developers to efficiently manage and track changes in source code. With Git, every collaborator has a complete local copy of the repository, making it easier to work in parallel and merge changes safely. It is an essential tool for software development teams, as it allows for reverting errors, comparing versions, and collaborating without conflicts. Additionally, Git is fast, scalable, and integrates with numerous platforms and services such as GitHub, GitLab, and Bitbucket. Its adoption has transformed the way code is developed and maintained, enabling a more organized and collaborative workflow.