
Description: VSTHost is a free, open source VST audio plugin host for Windows. It allows you to load and use VST instruments and effects within a standalone application.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Rack Performer is a modular virtual instrument plugin that allows you to build custom synths, samplers, and effects units within a rack-style interface. It features over 200 modules to choose from including oscillators, filters, envelopes, sequencers, and more.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API