
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: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: WhatsApp is a popular cross-platform instant messaging and voice over IP service owned by Meta. It allows users to send text messages, voice messages, video calls, images, documents and user location free over an internet data connection.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API