TestNG is a testing framework inspired from JUnit and NUnit but introducing some new functionalities that make it more powerful and easier to use. It supports test configured by annotations, data-driven testing, parametric tests, etc.

An implementation of java.util.logging.LogManager

Low-level API

An annotation processor for generating type-safe bean mappers

Swagger Models

swagger-jaxrs

Library for immutable human-friendly units

java.time API implementation in Scala and Scala.js

Free Java Reporting Library

Maven 2 plugin to check and update license headers in source files

Library for efficiently working with heap and off-heap memory