* Extensible Compiler Framework
	* Website: http://www.cs.cornell.edu/Projects/polyglot/

Polyglot is a Java class library that is easily extended through inheritance to create a compiler for a language that is a modification to Java. Polyglot includes [[Polyglot Parser Generator][PPG]], an extensible LALR parser generator based on the CUP LALR parser generator for Java.

---++ Applications

	* [[AspectBench Compiler]]
	* Used by [[http://www.cs.uu.nl/groups/ST/Students/BartGroot][Bart Groot]] for the implementation of traits in Java.