
Description: Mixed in Key is a MIDI plug-in that lets you change the musical key of audio and MIDI tracks. It's useful for remixing songs, adjusting vocals, matching musical keys, and creative experimentation.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Rapid Evolution is an open-source music player and manager for Windows. It has advanced organizational and search capabilities, supports various audio formats, has multiple customizable skins, and integrates with online databases.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API