What are the best Messaging Tools?

Bring all your communication together in one place

Bring voice and messaging to your web and mobile applications.

A freeware, cross-platform messaging and Voice over IP service

Chat-based workspace in Office 365

Slack for the whole world, except end-to-end encrypted across all your devices

Chat API & SDK

A cloud-based instant messaging and voice over IP service

Add calling & messaging to your app in minutes

Build your own customized Telegram clients

Open-source, self-hosted, Slack alternative

A messaging platform built for teams

Cost-effective and reliable sending and receiving of SMS messages globally.