Open Source
Axon products have different licenses and accept different kind of contributions

Proprietary license - Private
This is the commercial version of Axon Server. Hence, the repository is private, and contributions can be accepted, but it requires contacting us beforehand.

Private - User agreement for Usage
It is free to use as a software service unless you need paid contexts, which has a license "Pay as you go".

Proprietary license
This module repository is not available to the public and has an End User License Agreement.