Acceleo is an Open Source software based on the Eclipse platform. The generators also are open-source, you may modify them according to the module license.
The Acceleo team is open to any idea, suggestion or contribution done using the forum or the bug reports . If you want to take part in development of Acceleo you should have a look at this section.
For more information: http://www.acceleo.org/pages/home/en
If you are facing any programming issue, such as compilation errors or not able to find the code you are looking for.
Ask your questions, our development team will try to give answers to your questions.