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## Chapter 2. Getting Started

## 2.1. Downloads

All releases can be downloaded from SourceForge. Select the version you want to download and then select which artefact you want:

- bin: all the jBPM binaries (jars) and their dependencies
- src: the sources of the core components
- gwt-console: the jbpm console, a zip file containing both the server and client war
- docs: the documentation
- examples: some jBPM examples, can be imported into Eclipse
- installer: the jbpm-installer, downloads and installs a demo setup of jBPM
- installer-full: the jbpm-installer, downloads and installs a demo setup of jBPM, already contains a number of dependencies prepackages (so they don't need to be downloaded separately)

## 2.2. Getting started

If you like to take a quick tutorial that will guide you through most of the components using a simple example, take a look at the Installer chapter. This will learn you how to download and use the installer to create a demo setup, including most of the components. It uses a simple example to guide you through the most important features. Screencasts are available to help you out as well.

If you like to get read more information first, the following chapters first focus on the core engine (API, BPMN 2.0, etc.). Further chapters will then describe the other components and other more complex topics like domain-specific processes, flexible processes, etc. After reading the core chapters, you should be able to jump to other chapters that you might find interesting.

You can also start playing around with some examples that are offered in a separate download. Check out the examples chapter to see how to start playing with these.

After that, you should be ready to start creating your own processes and integrate the engine with your application, for example by starting from the installer or another example, or by starting from scratch.

## 2.3. Community

Here are a lot of useful links if we want to become part of the jBPM community:

- A feed of blog entries related to jBPM
- The #jbossjbpm twitter account.
- A user forum for asking questions and giving answers
- A JIRA bug tracking system for bugs, feature requests and roadmap
- A continuous build server for getting the latest snapshots

Please feel free to join us in our IRC channel at irc.codehaus.org #jbpm. This is where most of the real-time discussion about the project takes place and where you can find most of the developers most of their time as well. Don't have an IRC client installed? Simply go to http://irc.codehaus.org, input your desired nickname, and specify #jbpm. Then click login to join the fun.

## 2.4. Sources

### 2.4.1. License

The jBPM code itself is using the Apache License v2.0.

Some other components we integrate with have their own license:

- The new Eclipse BPMN2 plugin is Eclipse Public License (EPL) v1.0.
- The web-based designer is based on Oryx/Wapama and is MIT License
- The BPM console is GNU Lesser General Public License (LGPL) v2.1
- The Drools project is Apache License v2.0.

### 2.4.2. Source code

jBPM now uses git for its source code version control system. The sources of the jBPM project can be found here (including all releases starting from jBPM 5.0-CR1):

https://github.com/droolsjbpm/jbpm

The source of some of the other components we integrate with can be found here:

- Other components related to the jBPM and Drools project can be found here.
- The jBPM Eclipse plugin can be found here.
- The new Eclipse BPMN2 plugin can be found here.
- The web-based designer can be found here
- The BPM console can be found here

### 2.4.3. Building from source

If you're interested in building the source code, contributing, releasing, etc. make sure to read this README.

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