
Description: Hike Messenger is a free, cross-platform instant messaging app that allows users to exchange messages, photos, videos, stickers, audio clips and files. It offers features like hidden chats, offline messaging and supports group chats with up to 100 participants.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Signal is a free, open source, encrypted messaging and voice calling app. It offers end-to-end encryption for secure communication. With Signal, users can send encrypted messages, make voice and video calls, and share media with individuals or groups.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API