Netty is a NIO client server framework which enables quick and easy development of network applications such as protocol servers and clients. It greatly simplifies and streamlines network programming such as TCP and UDP socket server.

Spring Messaging provides abstractions such as Message, MessageChannel, MessageHandler, and others to serve as a foundation for messaging-based applications. It also includes a set of annotations for mapping messages to methods.

Spigot

Client of HBase

The core module of Undertow, a lightweight and high-performance web server for Java.

The machine learning library for Apache Spark, providing scalable algorithms and tools for ML pipelines.

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

Spark Project Streaming

Server functionality for HBase

MockServer & Proxy Netty

Undertow Servlet