Drupal is an open source content management platform powering millions of websites and applications. Its built, used, and supported by an active and diverse community of people around the world.
Git is a free and open source distributed version control system designed to handle everything from small to very large projects with speed and efficiency.
Selenium is a portable software-testing framework for web applications. Selenium provides a playback tool for authoring tests without the need to learn a test scripting language.