
Description: KakaoTalk is a free mobile instant messaging app with free calls and video chats. It allows users to send messages, photos, videos and voice messages to friends and groups. KakaoTalk is popular in Asia, especially South Korea.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Tox is an open-source, peer-to-peer instant messaging and video calling application focused on privacy and security. It offers end-to-end encryption for messages and calls to protect user data without relying on central servers.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API