ExcelsiorJET has a free license for non-commercial uses.
https://www.excelsiorjet.com/
https://www.excelsiorjet.com/#free
RoboVM's fork is another possibility
https://github.com/MobiVM/robovm
ExcelsiorJET has a free license for non-commercial uses.
https://www.excelsiorjet.com/
https://www.excelsiorjet.com/#free
RoboVM's fork is another possibility
https://github.com/MobiVM/robovm