RapidAPI!

GUN is an open source, realtime, graph database written entirely in JavaScript and built using peer-to-peer algorithms, making it surprisingly fault tolerant and easy to get started with.

API development tool for Web and Mobile developers.

An open protocol for per-user storage

Parse Server is a Parse.com API compatible router package for Node.js/Express.js.

PubNub is the world’s only global Real-Time Network. PubNub enables software developers to rapidly build and scale real-time apps by providing the cloud infrastructure, connections and key building blocks for real-time interactivity. Developers can build real-time apps like live dashboards and data streams, real-time collaboration, 2nd screen synchronization and machine-to-machine signaling for any device. PubNub utilizes a Publish/Subscribe model for real-time data streaming and device signaling and supports all of the capabilities of WebSockets, Socket.IO, SignalIR, WebRTC Data Channel and other streaming protocols. With PubNub, developers can dramatically reduce the cost, complexity and time to deliver real-time experiences. »

CloudBoost can power your app's backend, including data storage, user authentication, real-time notifications, search and more.

Build your app in minutes. No vendor lock-in Deploy BaasBox anywhere you like with SDKs for iOS, Android and Javascript

Heroic Labs are the developers behind Nakama server - The open-source social and realtime server for apps and games. Nakama powers social friends, groups, in-app chat, leaderboards, storage, matchmaking, multiplayer and more in a single server binary.

Do you use: Facebook, Twitter or Email? Want to know as soon as something happens? Boxcar is for you!

Heroic Labs builds Nakama; an open-source distributed social and realtime server for games and apps. It includes a large set of services for users, data storage, and realtime client/server communication; as well as specialized APIs like realtime multiplayer, groups/guilds, and chat. Nakama works with any kind of games device including consoles and VR headsets; and across games platforms like iOS, Android, and Windows Phone.

OneSignal is a free and multi-platform mobile push notification service designed for Websites and mobile applications.

Mobile marketing solutions across all major mobile platforms. Improve customer engagement with push notifications, location-based marketing, and analytics.

restdb.io is a Plug-and-Play Database Service, suited perfectly to power business apps and dynamic web content.

Uniquely providing both server side back-end and the application front-end, Backand uses advanced technologies, such as AngularJS and Bootstrap, combined with open source communities. The Backand cloud is then used to host and run the application on a scalable and reliable cloud application platform.