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Graal Languages

GraalVM provides runtimes for JavaScript, Ruby, Python, and a number of other popular languages. GraalVM’s polyglot capabilities make it possible to mix multiple programming languages in a single application while eliminating any foreign language call costs.

If you are mostly interested in a specific language runtime on GraalVM, see the following:

• Espresso (Java on Truffle)
• GraalJS
• GraalPy
• GraalWasm
• LLVM Languages
• TruffleRuby