This document provides an overview of setting up a developer environment for Sahana Eden using a virtual machine, which contains Python libraries, Web2Py, Sahana Eden, Eclipse, and Firefox with Firebug. It explains running Sahana Eden by launching Eclipse and debugging, then refreshing the browser to register after editing the 000_config.py file. The document also briefly describes the model-view-controller framework of Sahana Eden with models defining database tables, controllers handling workflow and logic, and views containing HTML/JS templates parsed server-side and JS functions run client-side.