
Description: Mumble is an open source voice chat software primarily designed for online gaming. It emphasizes low latency and clear voice quality, allowing groups of gamers to communicate clearly during team play. Mumble has customizable user roles to facilitate management in large groups.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: RaidCall is a free group voice chat software that allows users to communicate via voice, text chat, and screen sharing. It supports up to 10,000 participants and has features like contact lists, chat histories, and group notifications.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API