The Manorrock Cheetah project delivers you with a CDI implementation.
See https://github.com/jakartaee/cdi
See Contributing
See Code of Conduct
Note if you file issues or answer questions on the issue tracker and/or issue pull requests you agree that those contributions will be owned by Manorrock.com and that Manorrock.com can use those contributions in any manner Manorrock.com so desires.