
Description: HISE is an open-source cross-platform audio plugin and application development framework. It allows developers to create virtual instruments, effects, and audio applications with graphical user interfaces. The main features include a graphical editor, support for VST plugins, sample playback engines, real-time scripting, and customizable GUIs.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

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: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API