Java Native Access

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

General data-binding package for Jackson (2.x): works on streaming API (core) implementation(s)

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

JeroMQ is a pure Java implementation of the ZeroMQ messaging library, offering high-performance asynchronous messaging for distributed or concurrent applications.

Oryx 2: Lambda architecture on Apache Spark, Apache Kafka for real-time large scale machine learning

a java library for reading and writing epub files

A light-weight client-side OAuth library for Java

JTransforms is the first, open source, multithreaded FFT library written in pure Java.

Server for the Echoprint audio fingerprint system

Pure Data for Android

ADMM based large scale logistic regression

A simple library class which helps with loading dynamic JNI libraries stored in the JAR archive

DBeam exports SQL tables into Avro files using JDBC and Apache Beam

A lightweight workflow definition library

Scalable Topic Modeling using Variational Inference in MapReduce

Pitch-Correction App for Android, automatically tune your voice!

Hadoop mapreduce job to bulk load data into Cassandra

A plugin for JetBrains' IntelliJ IDE supporting the Leiningen build system.

an open source lucene-based cover identification engine

Various java classes for pdj (pure data java external)