
Description: Messenger Lite is a lightweight version of Facebook Messenger that uses less data and battery. It has the core messaging functions like text chat, photos, links but lacks some advanced features. Good for basic messaging needs on low-end devices or slow connections.
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