Design patterns implemented in Java

Spring Boot helps you to create Spring-powered, production-grade applications and services with absolute minimum fuss.

Google core libraries for Java

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

ZXing ("Zebra Crossing") barcode scanning library for Java, Android

Mirror of Apache Kafka

a fast, scalable, multi-language and extensible build system

A Java serialization/deserialization library to convert Java Objects into JSON and back

光 HikariCP・A solid, high-performance, JDBC connection pool at last.

ANTLR (ANother Tool for Language Recognition) is a powerful parser generator for reading, processing, executing, or translating structured text or binary files.

High Performance Inter-Thread Messaging Library

A fast dependency injector for Android and Java.

Modern Java - A Guide to Java 8

Most popular Mocking framework for unit tests written in Java

Logstash - transport and process your logs, events, or other data

🏗 Build container images for your Java applications.

Very spicy additions to the Java programming language.

Guice (pronounced 'juice') is a lightweight dependency injection framework for Java 11 and above, brought to you by Google.

Redis Java client

Java JWT: JSON Web Token for Java and Android

A Java API for generating .java source files.

A collection of source code generators for Java.

A simple expressive web framework for java. Spark has a kotlin DSL https://github.com/perwendel/spark-kotlin

PocketHub Android App

Checkstyle is a development tool to help programmers write Java code that adheres to a coding standard. By default it supports the Google Java Style Guide and Sun Code Conventions, but is highly co…

A fast build system that encourages the creation of small, reusable modules over a variety of platforms and languages.

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

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

Examples and server integrations for generating the Swagger API Specification, which enables easy access to your REST API

A fast dependency injector for Android and Java.