
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: White Noise is a free app and website that generates soothing ambient sounds to help people relax or sleep. It offers over 40 HD quality nature sounds like rain, waves, wind, and more that can mask disruptive noises and lull users to sleep.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API