Design patterns implemented in Java

Free and Open Source, Distributed, RESTful Search Engine

RxJava – Reactive Extensions for the JVM – a library for composing asynchronous and event-based programs using observable sequences for the Java VM.

Netty project - an event-driven asynchronous network application framework

A browser automation framework and ecosystem.

Jenkins automation server

Most popular Mocking framework for unit tests written in Java

Open source alternative to Auth0 / Firebase Auth / AWS Cognito

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

A programmer-oriented testing framework for Java — ⚠️ maintenance mode

Tools for keeping your cloud operating in top form. Chaos Monkey is a resiliency tool that helps applications tolerate random instance failures.

📈 Capturing JVM- and application-level metrics. So you know what's going on.

A fast dependency injector for Android and Java.

Android Unit Testing Framework

Easy Setup Stub Server

Cucumber for the JVM

Fluent assertions for Java and Android

INACTIVE: A maven plugin for Docker

Library for configuration management API

Local server for Android's HierarchyViewer

A free utility to help web developers watch and manipulate network traffic from their AJAX applications.

Docker container orchestration platform

ZooKeeper client wrapper and rich ZooKeeper framework

Ghost Driver is an implementation of the Remote WebDriver Wire protocol, using PhantomJS as back-end

Concise UI Tests with Java!

A Property Graph Model Interface (no longer active - see Apache TinkerPop)

Read Eval Print Loop for Java

Property-based testing, JUnit-style

Fast and reliable message broker built on top of Kafka.

Allure 1 isn't supported any more, please consider using Allure 2 https://github.com/allure-framework/allure2 instead