Netty project - an event-driven asynchronous network application framework

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

Tink is a multi-language, cross-platform, open source library that provides cryptographic APIs that are secure, easy to use correctly, and hard(er) to misuse.

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

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

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

The Physical Web: walk up and use anything

Distributed Graph Database

A scalable, distributed Time Series Database.

Yahoo! Cloud Serving Benchmark

Benchmark comparing serialization libraries on the JVM

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

An open source clone of Amazon's Dynamo.

Stream summarizer and cardinality estimator.

ZooKeeper client wrapper and rich ZooKeeper framework

A Graph Traversal Language (no longer active - see Apache TinkerPop)

Top-level domain name registry service on Google Cloud Platform

Port of LevelDB to Java

MongoDB Connector for Hadoop

An open source event analytics platform

Java Indexed Record Chronicle

Twitter's collection of LZO and Protocol Buffer-related Hadoop, Pig, Hive, and HBase code.

NOTE: This repo (The Clojure programming language) has moved:

"Selenium for Android" (Test automate native or hybrid Android apps and the mobile web with Selendroid.) Join us on IRC #selendroid on freenode. Also confirm you have signed the CLA http://goo.gl/p…

Solandra = Solr + Cassandra

Indexing engine for IndexTank

A Java event based WebSocket and HTTP server

Enables full-text searching of CouchDB documents using Lucene

Old v1 repo, please see http://github.org/telehash now.

A JVM-based Erlang VM