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.

Core package for the JUnit Jupiter test engine.

The Apache Log4j SLF4J API binding to Log4j 2 Core

A thin layer on top of JUnit 4 to allow running vintage tests (based on JUnit 3.8 and JUnit 4) with the JUnit Platform launcher infrastructure.

Spring Boot makes it easy to create stand-alone, production-grade Spring based Applications that you can 'just run'. It takes an opinionated view of the Spring platform and third-party libraries so you can get started with minimum configuration.

HikariCP is a 'zero-overhead' production ready JDBC connection pool.

The Apache Log4j 1.x Compatibility API

Core classes for Apache Camel, an Open Source integration framework that empowers you to quickly and easily integrate various systems consuming or producing data.

Spring Boot Developer Tools

Core utilities and abstractions shared across Netty modules, including buffers, threading, and platform detection.

Starter for using Log4j2