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 May 14, 2018
Guava is a suite of core and expanded libraries that include utility classes, google's collections, io classes, and much much more.
Last Release on Aug 1, 2018
The Apache Commons IO library contains utility classes, stream implementations, file filters, file comparators, endian transformation classes, and much more.
Last Release on Oct 15, 2017
Clojure core environment and runtime library.
Last Release on Jul 4, 2018
Last Release on Feb 11, 2018
Mockito mock objects library core API and implementation
Last Release on Jul 31, 2018
SLF4J LOG4J-12 Binding
Last Release on Mar 21, 2018