Guava is a suite of core and expanded libraries that include

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

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

The Apache Commons CSV library provides a simple interface for reading and writing CSV files of various types.

Java Development Tools Core

Reflections - Java runtime metadata analysis

SLF4J Reload4j Provider

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

Mockito mock objects library core API and implementation