Comment by grashalm

Graal dev here. If you want to checkout all the sources/licenses of GraalVM CE. They are here:

Graal: https://github.com/oracle/graal (GPLv2 with CPE)

JavaScript with Node Integration: https://github.com/graalvm/graaljs (UPL - BSD license)

Ruby: https://github.com/oracle/truffleruby (EPL, GPLv2, LGPL)

R: https://github.com/oracle/fastr (GPLv2)

Python: https://github.com/graalvm/graalpython (UPL - BSD license)

LLVM/Sulong: https://github.com/graalvm/sulong