Konstantin Voinov

A small MIDI visualizer tool, using OpenGL

A few extras for juce

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.

A analog modeling DSP plugin (VST3, AU, LV2) with a lot of saturation models and cab simulation.