JUnit 5 Extension Pack

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 ...

The Apache Commons IO library contains utility classes, stream implementations, file filters, file comparators, endian transformation classes, and much more.

Rich and fluent assertions for testing in Java

Implementation for Apache Log4J, a highly configurable logging tool that focuses on performance and low garbage generation. It has a plugin architecture that makes it extensible and supports asynchronous logging based on LMAX Disruptor.

API for Apache Log4J, a highly configurable logging tool that focuses on performance and low garbage generation. It has a plugin architecture that makes it extensible and supports asynchronous logging based on LMAX Disruptor.

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

Apache Commons Compress defines an API for working with compression and archive formats. These include bzip2, gzip, pack200, LZMA, XZ, Snappy, traditional Unix Compress, DEFLATE, DEFLATE64, LZ4, Brotli, Zstandard and ar, cpio, jar, tar, zip, dump, ...

The Commons Text library provides additions to the standard JDK text handling. It includes algorithms for string similarity and for calculating the distance between strings.

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

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.