
Description: Pure Data is an open-source visual programming language for multimedia, commonly used for audio and music composition and processing. It allows users to create graphical dataflow diagrams for generating and manipulating digital audio signals and MIDI messages.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Hexen Modular Synthesizer is a virtual modular synth app for Windows and Mac. It features over 80 modules to build custom synths, sequencers, and effects with full MIDI and audio support.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API