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

A terminal-based progress bar for JVM

The Rule Designer is a graphical tool that helps PMD users develop their custom rules.

checker-qual contains annotations (type qualifiers) that a programmerwrites to specify Java code for type-checking by ...

API for SLF4J (The Simple Logging Facade for Java) which serves as a simple facade or abstraction for various logging ...

Binding/provider for SLF4J, which outputs all events to System.err. Only messages of level INFO and higher are printed.

A collection of functions for testing code which uses java.lang.System.

A web service test double for all occasions

Core API and libraries of hamcrest matcher framework.

Module "junit-jupiter" of JUnit

Module "junit-platform-suite" of JUnit

Mockito mock objects library core API and implementation