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

Data usage monitoring app for android.

Support for using OpenFeign in Spring Cloud apps

Main repository for GoCD - Continuous Delivery server

Test Automation Made Simple

A better compressed bitset in Java

Test Automation Made Simple

A production-grade java implementation of RAFT consensus algorithm.

Apache Commons Lang

sql2o is a small library, which makes it easy to convert the result of your sql-statements into objects. No resultset hacking required. Kind of like an orm, but without the sql-generation capabilities. Supports named parameters.

A Java client library and an Android app to access more than 1,000 public and scientific libraries from all over the world.

Non-Blocking Reactive Foundation for the JVM

The core API of the NOVA voxel game modding system

Yet Another Report Generator - CUBA Platform reporting engine

Eclipse Groovy Development Tools

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

A fast dependency injector for Android and Java.

Exec Maven Plugin

A source-only C++ package manager that will take you to your happy place 🏝️

Behavior-Driven Development in plain Java

Track your favorite TV shows and movies on Android devices.

The Online Book Shopping Store to manage, buy, add, remove and sell books. Book name and Quantity selection, auto receipt generated and payment options. Login and logout security for both user and admin. Seperate Profile for all.

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

Cucumber for the JVM

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

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

Quiplash replacement

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

Spring integration for Metrics

Loop Habit Tracker, an Android app for creating and maintaining good habits

Fast Android Development. Easy maintainance.

Advanced Scripting IDE for JVM based languages.

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

JetLinks 基于Java8,Spring Boot 2.x ,WebFlux,Netty,Vert.x,Reactor等开发, 是一个全响应式的企业级物联网平台。支持统一物模型管理,多种设备,多种厂家,统一管理。统一设备连接管理,多协议适配(TCP,MQTT,UDP,CoAP,HTTP等),屏蔽网络编程复杂性,灵活接入不同厂家不同协议等设备。实时数据处理,设备告警,消息通知,数据转发。地理位置,数据可视化等。能帮助你快速建立物联网相关业务系统。

a FindBugs/SpotBugs plugin for doing static code analysis for java code bases

:coffee: Symja - computer algebra language & symbolic math library. A collection of popular algorithms implemented in pure Java. Inspired by Wolfram Language built-in functions.

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

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

Fluent Java HTTP client

Kafka Web UI

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

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

A quickstart generator for Spring projects

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

Provides Familiar Spring Abstractions for Apache Kafka

AppLock

A damn simple library for building production-ready RESTful web services.

Property-based testing, JUnit-style

An easy and simple open source xkcd reader