Guava is a suite of core and expanded libraries that include

Guice is a lightweight dependency injection framework for Java 8 and above, developed by Google.

Airlift - Configuration

JavaBeans Validation (Bean Validation) is a validation model that can add constraints to the beans with annotations ...

Exporting JMX mbeans made easy

Airlift - Configuration testing

Airlift - Testing utilities

Rich and fluent assertions for testing in Java

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

Core package for the JUnit Jupiter test engine.