
Description: BlackHole is a virtual audio driver for macOS that allows applications to pass audio to other applications with zero latency. It's useful for routing audio between music apps, streaming audio, or using audio apps without sound cards.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: JACK Audio Connection Kit is a cross-platform audio server designed to enable low latency audio connections between applications on Linux, macOS, and Windows systems. It allows audio apps to share audio data in real-time.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API