Apache Flink

GraalVM compiles applications into native executables that start instantly, scale fast, and use fewer compute resources 🚀

RxJava bindings for Android

Zipkin is a distributed tracing system

Modular and customizable Material Design UI components for Android

Suite of tools for deploying and training deep learning models using the JVM. Highlights include model import for keras, tensorflow, and onnx/pytorch, a modular and tiny c++ library for running mat…

OpenRefine is a free, open source power tool for working with messy data and improving it

The Clojure programming language

Spinnaker is an open source, multi-cloud continuous delivery platform for releasing software changes with high velocity and confidence.

Java Native Access

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

Java interface to OpenCV, FFmpeg, and more

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

Free and open log management

Catch common Java mistakes as compile-time errors

Web-based notebook that enables data-driven, interactive data analytics and collaborative documents with SQL, Scala and more.

Micronaut Application Framework

Statistical Machine Intelligence & Learning Engine

vʌvr (formerly called Javaslang) is a non-commercial, non-profit object-functional library that runs with Java 8+. It aims to reduce the lines of code and increase code quality.

The Physical Web: walk up and use anything

JanusGraph: an open-source, distributed graph database

Fibers, Channels and Actors for the JVM

Example code from Learning Spark book

Apache Heron (Incubating) is a realtime, distributed, fault-tolerant stream processing engine from Twitter

Simple Binary Encoding (SBE) - High Performance Message Codec

Compiles Java bytecode to JavaScript, WebAssembly and C

The missing Java distribution of native C++ libraries

Twitter4J is an open-source Java library for the Twitter API.

Deeplearning4j Examples (DL4J, DL4J Spark, DataVec)

Samples demonstrating how to use Maps SDK for Android