MongooseIM platform

The massively-scalable XMPPJabber mobile messaging platform, for mobile and web, by Erlang Solutions.

Free Open Source Mac OS X Linux Amazon Web Services Microsoft Azure

SendBird

SendBird is messaging-as-a-service. It provides the client SDK, chat API, and the backend for apps enabling real-time communication among apps’ own users.

Commercial Android iPhone

Layer

messaging back-end for mobile and web apps.

Commercial Android iPhone Web

Contus Fly

Enterprise messaging app from Contus that aims at providing solutions for internal communication needs of an organization. This secured network based app lets a...

Commercial Android Web

QuickBlox

Cloud communication and data backend. Supports chat, video calling, push notifications as well as data APIs for iOS, Android, Javascript and Windows.

Freemium Mac OS X Windows Android iPhone Web

Skygear Chat

Skygear Chat is an open-source chat backend that provides Chat SDKs (iOS, Android and JS) and messaging APIs for developers to build or add chat feature quick. .

Freemium Mac OS X Android iPhone JavaScript Apple Swift

Apphitect IM Solution

Apphitect IM Solution is a readymade instant messaging solution equipped to develop real-time chat apps that are capable of multiple modes of communication...

Commercial Android iPhone