JUCE is an open-source cross-platform C++ application framework for desktop and mobile applications, including VST, VST3, AU, AUv3, LV2 and AAX audio plug-ins.
juce-framework/JUCE is #3,957 on the bestofgithub Elo ladder, in Gold III, with a rating of 1,576 (+11 this week). It has 9,145 stars, 24 gained in the last week.