Free and Open, Distributed, RESTful Search Engine

Mirror of Apache Kafka

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

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

Hackpad is a web-based realtime wiki.

Simple Binary Encoding (SBE) - High Performance Message Codec

Real Time communication library using Animated Gifs as a transport™

The JGroups project

Scheduler (HTTP API and webapp) for running Mesos tasks—long running processes, one-off tasks, and scheduled jobs. #hubspot-open-source

A Java event based WebSocket and HTTP server

Enables full-text searching of CouchDB documents using Lucene

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

A JVM-based Erlang VM

ECMAScript runtime for the JVM

Distributed database specialized in exporting key/value data from Hadoop

A fork of Cliff Click's High Scale Library. Improved with bug fixes and a real build system.

Prevayler

GoldenOrb is an open-source implementation of Pregel, Google's graph processing framework

A distributed task queue worker designed for throughput, parallelism, and clustering.

Obsolete - superseded by Apache Calcite

A dynamic, ReST-style means of enrolment and participation in an HTTP network; a dynamically-configurable "Remote CGI" service. Joining the World Wide Web as an HTTP server has been an ad-hoc, manu…

Dynamic Linker Framework for Languages on the JVM

Fjord, F# programming language for the JVM.

A JVM Implementation of the Raft Consensus Protocol

CouchDB library for Java using JSON

Everything-as-a-service

This project has moved and is now part of the ASF

Spring AMQP Component for Apache Camel

Library for building SockJS compatible servers using Netty and the JVM.

RabbitMQ Groovy DSL