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

MicroProfile Rest Client

A simple sound recording Android app implementing Material Design

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

The Android version of the Hydra app

A complete travel guide!

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

A classic inspired shoot em' up game written in Java with JavaFX and FXGL.

Java Applications of Illarion (Client, Mapeditor, easyNPC Editor, Downloader)

Open Source LaTeX editor that supports remote collaboration

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

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

Exercism exercises in Java.

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

Official GeoServer repository

The Official SendGrid Led, Community Driven Java API Library

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.

Provides Familiar Spring Abstractions for Apache Kafka

SmallRye implementation of Eclipse MicroProfile OpenAPI

Compose validation rules in the language you use every day, openVALIDATION handles code creation for you.

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.

Next generation desktop application development platform for the JVM

Spring Integration for GraphQL

QA automation utilities and project generator

LITIENGINE 🕹 The pure 2D java game engine.

Main code and data development for pcgen program release

Scheduling / Quartz integration for Dropwizard

A Java application which helps people to manage their apartment.

Shipr Social is the Multi Platform Chat Project for Developers

An attempt to reimplement the Minecraft Forge API on Fabric

This is mavenised Luke: Lucene Toolbox Project

Apache Flink Stateful Functions

Android Customizable Reader - Librelio Digital Publishing Suite

Document Ingestion Framework for Search Systems

The JMeter Maven Plugin

Clock As a Service

Apache Commons IO

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

An enhanced Guava-based event bus with emphasis on Android support.

Fluent Object-Oriented Wrapper of JDBC

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

REST API based application that manages user databases

Restful CRUD Blog API using Spring Boot, Spring Security, JWT, Mysql, JPA

JUnit Rule for providing an embedded in-memory database for your tests

A portable Java library for WebAuthn and Apple App Attest server side verification

A lightweight Java library for adding watermarks to various file types, including PDFs and images

Mirror of Apache Olingo

Wrap your app screenshots in real device artwork.

Constretto is a versatile configuration toolkit for the JVM implemented in Java