Chart engine contents
Downloading and extracting the chart engine archive file from the Eclipse BIRT download page creates the following three folders:

ChartRuntime, which contains the Eclipse plug-ins required to run, render, and edit charts

ChartSDK, which contains everything you need to create charting applications, including the following components:

All the chart run-time plug-ins and an example plug-in providing sample charting applications including a chart viewer

Documentation in the form of online help, context-sensitive help for the user interface components, and Javadoc for the charting API

Source code for all the BIRT Chart Engine packages

DeploymentRuntime, which contains the JAR files that you need to run a charting application outside Eclipse