
Description: Kahla is an open-source, cross-platform instant messaging application with a focus on security and privacy. It offers end-to-end encryption, self-destructing messages, and the ability to recall messages after sending.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Slack, the modern messaging platform for teams. Communicate in real-time, organize conversations into channels, and streamline collaboration. With integrations, file sharing, and a user-friendly interface, Slack enhances team communication and productivity.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API