Free and Open Source, Distributed, RESTful Search Engine

Google core libraries for Java

Free universal database tool and SQL client

An image loading and caching library for Android focused on smooth scrolling

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

FizzBuzz Enterprise Edition is a no-nonsense implementation of FizzBuzz made by serious businessmen for serious business purposes.

RxJava bindings for Android

Modern Java - A Guide to Java 8

The ZAP by Checkmarx Core project

Stetho is a debug bridge for Android applications, enabling the powerful Chrome Developer Tools and much more.

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

jsoup: the Java HTML parser, built for HTML editing, cleaning, scraping, and XSS safety.

The Clojure programming language

A barebones WebSocket client and server implementation written in 100% Java.

Test Automation Made Simple

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

Java 1-24 Parser and Abstract Syntax Tree for Java with advanced analysis functionalities.

Java runtime metadata analysis

A reference implementation of a JSON package in Java.

The missing bridge between Java and native C++

🔬 Java Code Coverage Library

Hackpad is a web-based realtime wiki.

A collection of quickstart samples demonstrating the Google APIs for Android and iOS

Soot - A Java optimization framework

AWS Usage Tool

Free Templates for AWS CloudFormation

Master repository for the JGraphT project

The official MongoDB drivers for Java, Kotlin, and Scala

Simple, high-performance event-driven HTTP client+server for Clojure

Rest.li is a REST+JSON framework for building robust, scalable service architectures using dynamic discovery and simple asynchronous APIs.