Getting Started with Spring Boot 3:

Zipkin is a distributed tracing system

Open source alternative to Auth0 / Firebase Auth / AWS Cognito

Resilience4j is a fault tolerance library designed for Java8 and functional programming

A damn simple library for building production-ready RESTful web services.

Testcontainers is a Java library that supports JUnit tests, providing lightweight, throwaway instances of common databases, Selenium web browsers, or anything else that can run in a Docker container.

A comprehensive Domain-Driven Design example with problem space strategic analysis and various tactical patterns.

Automated mass refactoring of source code.

Jenkins plugin to run dynamic agents in a Kubernetes/Docker environment

Event Sourcing and CQRS in practice.

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

Jenkins plugin for pipeline visualisation, perfect for Continuous Delivery

Microservices Testing in practice.

JUnit rule for spinning up a Kafka broker

An improved Page Factory Framework built upon Selenium WebDriver that takes Page Objects to the next level

Media Streaming via HTTP Progressive Download in practice.

Http Caching and Concurrency Controls in practice.