
Description: Ring4 is a free and open source video conferencing application that focuses on security and privacy. It supports end-to-end encryption for video calls, messaging, file sharing and other features. Ring4 is cross-platform and offers integration with other communication services.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: KrispCall is a call noise cancellation app that removes unwanted background noise from voice calls. It works with popular calling apps like Zoom, Skype, and more to make your voice sound crystal clear on calls.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API