Core of commonmark-java (a library for parsing Markdown to an AST, modifying the AST and rendering it to HTML or ...

Guava is a suite of core and expanded libraries that include

A Java implementation of the Mustache templating language.

Apache Commons CLI provides a simple API for presenting, processing, and validating a Command Line Interface.

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

swagger-core

Parser/Validator of OpenAPI definitions from JSON or YAML formats. Definitions are parsed into a swagger-core model.

Apache Commons Lang, a package of Java utility classes for the classes that are in java.lang's hierarchy, or are ...

Extensions to the SLF4J API

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

JMockit is a Java toolkit for automated developer testing.

Mockito mock objects library core API and implementation

Reflections - Java runtime metadata analysis

TestNG is a testing framework inspired from JUnit and NUnit but introducing some new functionalities that make it more ...