
Description: Amazing Slow Downer is an audio player that allows you to slow down music without changing pitch. Useful for transcribing or learning music by ear.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: PaulStretch is a free audio processing software that allows extreme sound stretching without changing the pitch. It can turn an audio clip of a few seconds into hours or even days long ambient textures.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API