This document provides an introduction and overview of Ansible Galaxy. It discusses what Ansible Galaxy is, how to use it to search for, download, install and manage Ansible roles. It describes how to create your own roles and import roles from Galaxy or other sources. It outlines the upcoming changes and improvements in Galaxy 3.0, including a UI redesign, support for additional content types, and migration to OpenShift. Finally, it invites contributors to get involved in the Galaxy project.