
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: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Cantabile is a MIDI and audio plugin host for Windows that allows users to route MIDI between various applications. It supports VST plugins and can be used for live performance, recording, and MIDI routing.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API