Help out your favorite open source projects and become a better developer while doing it.

A fast, customizable and compatible open source server for Minecraft: Java Edition

Cucumber for the JVM

Non-Blocking Reactive Foundation for the JVM

Supporting system of behavioral therapy of people with autism. Check starter kit:

Track your favorite TV shows and movies on Android devices.

Exec Maven Plugin

Custom Advancements is an easy to configure minecraft plugin where you can create your own advancements for your server. Your players can use the easy to use GUI to see the advancements and their progress and how to activate them!

A powerful open source test automation platform for Web Apps, Mobile Apps, and APIs. Build stable and reliable end-to-end tests @ DevOps speed.

NOT MAINTAINED. Apollo - The logz.io continuous deployment solution over kubernetes

Test Automation Made Simple

Test Automation Made Simple

Quiplash replacement

Spring integration for Metrics

A production-grade java implementation of RAFT consensus algorithm.

A tool for running android and iOS appium tests in parallel across devices... U like it STAR it !

Fast Android Development. Easy maintainance.

Advanced Scripting IDE for JVM based languages.

Provides Familiar Spring Abstractions for Apache Kafka

Kafka Web UI

The DataHelix generator allows you to quickly create data, based on a JSON profile that defines fields and the relationships between them, for the purpose of testing and validation

Support for using OpenFeign in Spring Cloud apps

A Maven plugin that uses Asciidoctor via JRuby to process AsciiDoc source files within the project.

MIT licensed Open Source Identity and Access Management implementing OAuth 2.0 and SCIMv2.

Project Wycheproof tests crypto libraries against known attacks.

A quickstart generator for Spring projects

Coverage-guided, in-process fuzzing for the JVM

Realtime Client Server Framework for the JVM, supporting WebSockets with Cross-Browser Fallbacks

AppLock

Spring Integration for GraphQL

Joda-Time is the widely used replacement for the Java date and time classes prior to Java SE 8.

Property-based testing, JUnit-style

space station management/tycoon/trader game. made for fun and practice.

A Java (NIO2) FileSystem Provider for Amazon AWS S3.

A simple sound recording Android app implementing Material Design

Automatically exported from code.google.com/p/sshxcute

Official GeoServer repository

Fluent Java HTTP client

Open Source LaTeX editor that supports remote collaboration

An easy and simple open source xkcd reader

A Fabric mod designed to improve the general performance of Minecraft without breaking things

LITIENGINE 🕹 The pure 2D java game engine.

Automatically exported from code.google.com/p/flex-ui-selenium

Official Todo.txt Android app for managing your todo.txt file stored in Dropbox.

Norconex HTTP Collector is a flexible web crawler for collecting, parsing, and manipulating data from the Internet (or Intranet) to various data repositories such as search engines.

QuickPerf is a testing library for Java to quickly evaluate and improve some performance-related properties

Exercism exercises in Java.

The Official SendGrid Led, Community Driven Java API Library

A library provides an easy way to show skeleton loading view like Facebook and Alipay

An app that provides daily headlines from popular news source.