Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.

experts Open Source

Stay in touch with your family and friends for free on Skype. Download Skype today to chat and call on desktop and mobile.

experts

Fast, simple & secure messaging. Privacy that fits in your pocket.

experts Open Source

Single Notification API for Every Channel (SMS, Slack, Whatsapp, Email, SMS, Push, App Inbox).

experts Open Source freemium $99.0 / Monthly

Free chat and collaboration app for teams with unlimited users and message history.

experts freemium $2.49 / Monthly ("Group calls", "10GB per user", "Screen sharing",)

Matrix is an open standard for decentralized persistent communication over IP.

experts Open Source

WhatsApp API & Multi-Agent Chat Solution for Teams and Businesses.

experts paid Free Trial $19.0 / Monthly

Schedule Google Chat messages to be sent at a later time.

experts paid Free Trial

Rocket.Chat is a Web Chat Server, developed in JavaScript, using the Meteor fullstack framework.

experts Open Source

WhatsApp Messenger: More than 1 billion people in over 180 countries use WhatsApp to stay in touch with friends and family, anytime and anywhere.

experts free

Android Messages is a world’s most leading communication app by Google for Android device.

experts