You can find some of the developers of Acceleo on twitter and google+ too.
If you need some help with Acceleo, the developers of Acceleo are monitoring closely the following websites.
This form of support may not meet daily needs of an enterprise adopter as far as response delays are involved. Most of the developpers of Acceleo are from Obeo, and are then the best source to provide competent and professional support.
For more information, visit the Obeo website.
You can find Acceleo based generators on the Eclipse Marketplace, such as the UML to Java generator.