JUnit is a unit testing framework for Java, created by Erich Gamma and Kent Beck.
Last Release on Dec 4, 2014
Standard library for the Scala Programming Language
Last Release on Apr 14, 2017
Guava is a suite of core and expanded libraries that include utility classes, google's collections, io classes, and much much more. Guava has only one code dependency - javax.annotation, per the JSR-305 spec.
Last Release on May 22, 2017
Clojure core environment and runtime library.
Last Release on May 26, 2017
The Apache Commons IO library contains utility classes, stream implementations, file filters, file comparators, endian transformation classes, and much more.
Last Release on Apr 22, 2016
Last Release on Mar 31, 2017
SLF4J LOG4J-12 Binding
Last Release on Apr 25, 2017
Last Release on Apr 17, 2008