
Description: Tinode is an open-source real-time messaging and chat platform. It enables building chat applications and messaging features with REST API, Web and Mobile SDKs. Tinode offers messaging modes like one-on-one, group chats, channels, bots, rich media and end-to-end encryption.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Ayttm is an open source instant messaging client for Windows that allows users to connect to multiple IM networks such as AIM, MSN, Yahoo, and more. It provides tabbed chats, emoji support, group messaging, and other basic messaging features.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API