Design patterns implemented in Java

Open Source Identity and Access Management For Modern Applications and Services

Open-Source Subscription Billing & Payments Platform

An example approach for implementing a Clean/Hexagonal Architecture

A library that creates fully populated objects for your unit tests.

🍬 A library converting XLS and XLSX files to a list of Java objects based on Apache POI

Examples and Tutorials of Event Sourcing in JVM languages

Case Study - Football Team Api with Hexagonal Architecture (Java 21, Spring Boot, Postgres, JUnit, Spring Security, JWT, Docker, Kubernetes, Prometheus, Grafana, Loki, Sonarqube, Github Actions (CI…