BaSyx has created its first release of the Java SDK and components. We are currently preparing to provide it via Maven Central. In the meanwhile, you can find it in the master branch.
Clone the repository with
git clone https://git.eclipse.org/r/basyx/basyx
on your local machine to access the code.
If you want to browse the repository's content with a web browser, use this link: https://git.eclipse.org/r/plugins/gitiles/basyx/basyx/.