The Apache Commons IO library contains utility classes, stream implementations, file filters,

Java command line parser with both an annotations API and a programmatic API. Usage help with ANSI styles and colors. ...

Apache Commons Compress defines an API for working with

The Commons Text library provides additions to the standard JDK text handling. It includes algorithms for string ...

Implementation for Apache Log4J, a highly configurable logging tool that focuses on performance and low garbage ...

Mean Bean is an open source Java test library that tests equals and hashCode contract compliance, as well as

Rich and fluent assertions for testing in Java

Module "junit-jupiter" of JUnit

Mockito mock objects library core API and implementation