
Description: Lime Talk is an open-source, self-hosted alternative to Zoom and Skype focused on security and privacy. It supports HD video conferencing, screen sharing, messaging, virtual backgrounds and other standard features expected of a video chat app.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: tawk.to is a free live chat software that allows websites to talk to visitors in real-time. It's easy to set up with no downloads required, has customizable widgets, and provides visitor analytics.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API