Vert.x is a tool-kit for building reactive applications on the JVM

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

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

Gephi - The Open Graph Viz Platform

Apache Pinot - A realtime distributed OLAP datastore

🚀 Lightning fast and elegant mvc framework for Java8

The official plugin for Facebook in Apache Cordova/PhoneGap

Datumbox is an open-source Machine Learning framework written in Java which allows the rapid development of Machine Learning and Statistical applications.

Neo4j Spatial is a library of utilities for Neo4j that faciliates the enabling of spatial operations on data. In particular you can add spatial indexes to already located data, and perform spatial …

Query in Java as in Mongo shell

Simple React Native Android module to use Android's WebView inside your app

The OpenCellID and BeaconDB contributor's app.

This project has been absorbed by ruby-concurrency/concurrent-ruby

MapAttack client for Android