Apache Commons Lang, a package of Java utility classes for the classes that are in java.lang's hierarchy, or are considered to be so standard as to justify existence in java.lang. The code is tested using the latest revision of the JDK for supported LTS releases: 8, 11, 17, 21 and 25 currently.

Maven plugin for submitting Java code coverage reports to Coveralls web service.

The Apache Log4j 1.x Compatibility API

Tools to assist in the reading of configuration/preferences files in various formats.

Model for Maven POM (Project Object Model)

Checkstyle is a development tool to help programmers write Java code that adheres to a coding standard

The Apache Log4j SLF4J 2.0 API binding to Log4j 2 Core

Apache Velocity is a general purpose template engine.

A Maven plugin for the PMD toolkit, that produces a report on both code rule violations and detected copy and paste fragments, as well as being able to fail the build based on these metrics.

Apache Commons Validator provides the building blocks for both client-side and server-side data validation. It may be used standalone or with a framework like Struts.

Selenium provides support for the automation of web browsers. It provides extensions to emulate user interaction with browsers, a distribution server for scaling browser allocation, and the infrastructure for implementations of the W3C WebDriver ...