A free and strong UCI chess engine

Prompts for our Grok chat assistant and the `@grok` bot on X.

A multilingual YouTube Music frontend for Android, prioritize performance

RiMusic is a multilingual and multiplatform application for streaming music

A curated list of resources for learning about http://www.keycloak.org

A sample project with Spring Securitty that reads JWT token and utilize method-level security. The project is written on Kotlin

Learn to Write Clean Code with Java. Get Hands-on with 20+ Code Examples involving 4 principles of Simple Design, Refactoring and TDD.

Spring Boot multi-tenant sample app

Tennis Refactoring Kata

This Spring Boot project demonstrates Keycloak integration for robust authentication and authorization management.

Code Kata collection for JVM Languages and Libraries.

Open Source Identity and Access Management For Modern Applications and Services

OAuth2 multi-tenant resource server with Spring Security and Keycloak, using Docker Compose

A Java architecture test library, to specify and assert architecture rules in plain Java

Reactive programming with Spring Data R2DBC

An Application Framework for AI Engineering

Spring Boot demonstration app on how to use Microcks Testcontainers in your dev/test workflow

Mirror of Apache Kafka

An example approach for implementing a Clean/Hexagonal Architecture