Design patterns implemented in Java

Netty project - an event-driven asynchronous network application framework

Apache Pulsar - distributed pub-sub messaging system

A collection of source code generators for Java.

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.

Yahoo! Cloud Serving Benchmark

Fibers, Channels and Actors for the JVM

Generates a unified GraphQL schema from gRPC microservices and other Protobuf sources

Spring Batch is a framework for writing batch applications using Java and Spring

Fluent assertions for Java and Android

Transactional schema-less embedded database used by JetBrains YouTrack and JetBrains Hub.

Postgresql R2DBC Driver

Use graphviz with pure java

Library to diff and merge Java objects with ease

🚀 fast JavaScript 4 Eclipse Vert.x

Yet Another Validation for Java (A lambda based type safe validation framework)

binary serialization format

Java library to represent monetary amounts.

A Kafka audit system

Comprehensive guide to a couple of possible ways of synchronizing two states with Spring tools. Synchronization is shown by separating command and queries in a simple CQRS application.

Download, Install, Update

A library for creating isolated embedded databases for Spring-powered integration tests.

A JUnit rule to manage docker containers using docker-compose

Toolkit for testing multi-threaded and asynchronous applications

Simple Java Web MVC Framework

Spring Boot Starter for Bucket4j

Ultra-high performance non-blocking XML processor (Stax API + extensions)

Efficient, scalable, and flexible Java implementation of the Short Messaging Peer to Peer Protocol (SMPP)

SMPP implemented in Java

Apply clean architecture on Android