JUCE is the most widely used framework for audio application and plug-in development. It is an open source C++ codebase that can be used to create standalone software on Windows, macOS, Linux, iOS and Android, as well as VST, VST3, AU, AUv3, AAX and LV2 plug-ins. JUCE allows developers to focus on the most valuable parts of their software by taking care of the differences between operating systems