VSTGUI

VSTGUI is a user interface toolkit mainly for audio plug-ins (VST, AAX, AudioUnit, etc...) and it is designed for working well with VST 3 plug-ins and its wrappers like AU, AAX, ...
History
- First developed inhouse of Steinberg Media Technologies (around 1998) for their first VST plug-ins.
- Later added as binary libraries to the official VST SDK.
- VSTGUI is open source since May 2003.
System requirements
Supported OS:
- Microsoft Windows 10/11
- Apple macOS 10.12-12
- Apple iOS 9-15
- Linux (Preview)
Supported IDE:
- Visual Studio 2017/2019/2022
- minimum Xcode 10.1
- Qt Creator
- Visual Studio Code