Free and Open Source, Distributed, RESTful Search Engine

Netty project - an event-driven asynchronous network application framework

Mirror of Apache Kafka

Hystrix is a latency and fault tolerance library designed to isolate points of access to remote systems, services and 3rd party libraries, stop cascading failure and enable resilience in complex di…

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

Jenkins automation server

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

Zipkin is a distributed tracing system

The official home of the Presto distributed SQL query engine for big data

Apache ZooKeeper

Redis Java client

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

A Java API for generating .java source files.

The Clojure programming language

A configuration as code language with rich validation and tooling.

PocketHub Android App

Java JsonPath implementation

Distributed and fault-tolerant realtime computation: stream processing, continuous computation, distributed RPC, and more

Java Native Access

A programmer-oriented testing framework for Java.

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

Catch common Java mistakes as compile-time errors

Socket.IO server implemented on Java. Realtime java framework

Asynchronous Http and WebSocket Client library for Java

Hazelcast is a unified real-time data platform combining stream processing with a fast data store, allowing customers to act instantly on data-in-motion for real-time insights.

GraphQL Java implementation

Reformats Java source code to comply with Google Java Style.

Simple OAuth library for Java

An extensible multilanguage static code analyzer.

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