CAT 作为服务端项目基础组件，提供了 Java, C/C++, Node.js, Python, Go 等多语言客户端，已经在美团点评的基础架构中间件框架（MVC框架，RPC框架，数据库框架，缓存框架等，消息队列，配置系统等）深度集成，为美团点评各业务线提供系统丰富的性能指标、健康状况、实时告警等。

A Java HTTP client for consuming Twitter's realtime Streaming API

A socket server (include SSL) supports realtime application, realtime game, MMORPG, messaging, chat and streaming data with TCP, UDP and Websocket

An open-source columnar data format designed for fast & realtime analytic with big data.

OpenNARS for Research 3.0+

[UNMAINTAINED] Meteor's Distributed Data Protocol (DDP) for clients on Android

This repository contains android application source code which can be imported in Android Studio. Currently it fetches all notifications, whatsapp chats, instagram chats in real time.

SwellRT main project. Server, JavaScript and Java clients

Qiscus provide everything you need to power up your app with chats. And it's now made simple.

A simple, beautiful, mobile-first instant messaging progressive web application.

Mobius is an AI infrastructure platform for distributed online learning, including online sample processing, training and serving.

HPPC-RT, fork of CarrotSearch's for Realtime

Java, Android, Clojure and Scala client library SDK for Ably realtime messaging service

TheTransitClock real-time transit information system

Android chat demo app with Chat21 SDK for Firebase

Distributed Realtime Search with Lucene and MongoDB

Query and statistics for memory objects，syntax compatible with sql92.

Things related to FaceUnity SDK and Agora SDK

Real time circle detection and tracking by Hough Circle Transform with OpenCV on Android OS.

Geographical Location based application to track the spread of novel Corona Virus (COVID-19) in near-realtime, thanks to Johns Hopkins University Data : CSSEGISandData / COVID-19