GraalVM

From APIDesign

GraalVM is an enhanced JVM that contains Graal compiler as well as set of Truffle based languages (JavaScript, Python, R, Ruby). The community version is Open source and is available for download through graalvm.org. As an engineer working on the GraalVM team I maintain an annual or bi-annual reports:

• TwoYearsWithTruffle
• FourthGraalAdventures
• FifthGraalAdventures

See GraalVMVisualREPL.