Args4j is a small Java class library that makes it easy to parse command line options/arguments

Closure Compiler is a JavaScript optimizing compiler. It parses your

Apache Commons Lang, a package of Java utility classes for the classes that are in java.lang's hierarchy, or are ...

The Apache Flex Falcon Compiler

The Google Closure Library is a collection of JavaScript code

Deployed artifact from the Douglas Crockford org.json master branch.

JUnit Jupiter is the API for writing tests using JUnit 5.