Rapid.io Alternatives

Firebase is a cloud service designed to power real-time, collaborative applications for mobile and web.

Meteor is a set of new technologies for building top-quality web apps in a fraction of the time.

The Everything is Real-Time C# Backend for Single Page Applications

Real-time communication service for connecting online devices.

PubNub is a real-time messaging system for web and mobile apps that can handle API for all platforms and push messages to any device anywhere in the world in a fraction of a second without having to worry about proxies, firewalls or mobile drop-offs.

Real Time Entity Framework (EF) and ASP.NET core. Make all of your data real time.

A PHP Framework For Web Artisans

Pusher is a hosted API for quickly, easily and securely adding scalable realtime functionality via WebSockets to web and mobile apps.

NATS Server is an open source messaging system for cloud native applications, IoT messaging, and microservices architectures.

Realtime application framework (Node.JS server)

Pedestal is a web application framework written in Clojure that aims to bring both the language and...

A scalable server for realtime webapps