
Description: PlayNoise is a free and open source noise generator software for Windows, Mac and Linux. It allows you to generate various types of noise signals such as white, pink, brown, violet and blue for audio testing or relaxation purposes.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: A Soft Murmur is a minimalist website that generates ambient sounds like rain, thunder, wind, cafe chatter and more to help you relax, focus or sleep.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API