
Description: Telegram FOSS is an open source, privacy-focused messaging app for Android. It offers secure chats, group chats, media sharing, and syncing across devices. As open source software, its code is transparent and auditable.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Plus Messenger is an open-source, ad-free messaging app for Android that emphasizes privacy and security. It offers encrypted messaging using end-to-end encryption, allows communicating without sharing personal data, and does not show ads or monetize user data.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API