Core Jackson processing abstractions (aka Streaming API), implementation for JSON

General data-binding functionality for Jackson: works on core streaming API

Support for reading and writing YAML-encoded data via Jackson abstractions.

configuration library for JVM languages using HOCON files

Object-Oriented Java Primitives

Core API and libraries of hamcrest matcher framework.

Module "junit-jupiter" of JUnit

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

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

JUnit Jupiter Extension for System Stubs