[Polyglot](https://www.cs.cornell.edu/projects/polyglot/) is a "compiler front-end" for researching changes to the Java language. There's some [evidence that it can compile itself](https://github.com/polyglot-compiler/polyglot/blob/master/tools/compile-itself-consistency-test#L15). Supports Java 7 and has some support for Java 8, notably lambdas. Last release in Jan 2022.
Polyglot is a "compiler front-end" for researching changes to the Java language.
There's some evidence that it can compile itself. Supports Java 7 and has some support for Java 8, notably lambdas. Last release in Jan 2022.