
Description: Conversations is an open source instant messaging client focused on security and privacy. It offers end-to-end encryption for chats and calls, preventing third parties from accessing communications.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Zalo is a free messaging and calling app developed by VNG Corporation in Vietnam. It allows users to send text messages, make voice and video calls, share photos, videos, stickers and files, and have group chats for free.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API