
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: SynthEdit is a free, open source modular software synthesizer editor for Windows. It allows users to graphically create and edit software synthesizer components like oscillators, filters, and envelopes, and connect them to build virtual synthesizers.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API