Mule Overview Guide (PDF) A complete overview of Mule, including an introduction to the concepts and architecture, getting started instructions, a glossary, a list of third-party software, and a description of what's new in this release. Installation Guide How to download and install the server. Introduction to Mule Introduces the basic concepts of the Mule server. Sample Applications Some simple application examples that use Mule. Starting the Server How to start the Mule server.