The Realtime App Platform

Realtime application framework (Node.JS server)

Build awesome realtime web and mobile apps

Build real-time apps quickly and scale them globally.

A new library for ASP.NET developers that makes developing real-time web functionality easy.

Global service for real-time and reliable messaging and streaming data

Lightweight publish-subscribe & distributed queueing messaging system

An open, scalable realtime engine for Node.js

A scalable server for realtime webapps

A realtime, open-source JavaScript back end from RethinkDB

Self-hosted Firebase.

Real time data synchronization platform for modern API driven web&mobile apps

Reverse proxy for realtime web services

a highly flexible real-time backend as a service.

Distributed solution providing messaging and queuing for streaming data

Realtime messaging service

Build realtime Ruby web applications

High level API and backend for writing web apps that use push messaging

Move data everywhere it's needed, instantly and automatically

Open-source alternative to Firebase and Parse

Realtime APIs made simple

Efficiently Turn APIs into Real-time Experiences