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

Description: Hemlis is an open-source, privacy-focused messenger that allows secure chats, voice calls, and file transfers. It uses end-to-end encryption to protect conversations and does not store user data on servers. Hemlis is available on iOS, Android, Windows, Mac, and Linux.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API