Git is a version control system for tracking changes in computer files and coordinating work on those files among multiple people
GitHub is a development platform inspired by the way you work. From open source to business, you can host and review code, manage projects, and build software alongside millions of other developers.
Mozilla Firefox is a free and open-source web browser developed by Mozilla Foundation and its subsidiary, Mozilla Corporation. Firefox is available for Windows, macOS and Linux operating systems.
Sublime Text is a proprietary cross-platform source code editor with a Python application programming interface.
Microsoft's Visual Studio Code lets you build and debug modern web and cloud applications. Code is free and available on Linux, Mac OSX, and Windows.