Xbus is open-source, you can download its complete source code and modify it as you wish, as long as you respect its License.
The source archives of each version is available in the Release notes.
If you are interested in the cutting-edge version, or want to contribute, you are welcome to use our forge: https://orus.io/xbus/xbus.
We provide prebuilt binaries of xbus, including ones free for testing and personal use. Download links are available in the Release notes.