Git is by far the most popular and widely used modern version control system in use today. Git is a mature, actively maintained open source project originally developed in 2005 by Linus Torvalds of the Linux operating system kernel fame. A large number of software projects rely on Git for version control, and that includes professional projects as well as open source. Developers who have worked with Git are well represented in the pool of available software development talent and it works well on a wide range of operating systems and IDEs (Integrated Development Environments).

Git is a version control tool used widely by developers across the world. It helps individual developers keep track of changes as they work on different features in the same project, and helps teams organize their code. GitHub can integrate with Git - it is a web application that allows users to host, explore, and collaborate on code with their teams and the wider developer community.

Having a distributed architecture, Git is an example of Distributed Version Control System (DVCS). Rather than have only one single place for the full version history of the software as is common in once-popular version control systems like CVS or Subversion (also known as SVN), in Git, every developer's working copy of the code is also a repository that can contain the full history of all changes.

 known as SVN), in Git, every developer's working copy of the code is also a repository that can contain the full history of all changes.