RubyGems is a package manager for the Ruby programming language. It allows users to easily download and install libraries, known as "gems," that provide additional functionality to their Ruby projects. RubyGems makes it easy to discover and install new gems, as well as update and manage the gems that are already installed. It is an essential tool for Ruby developers, as it simplifies the process of adding new functionality to their projects and helps manage the dependencies of their code.

Copy the tea one-liner above into your terminal to install tea will interpret the documentation and take care of any dependencies.