wxWidgets - wxWidgets: Cross-Platform GUI Library
PortAudio - PortAudio is a cross platform, open-source, audio I/O library.
Electron - Build cross platform desktop apps with web technologies
RtAudio - RtAudio is a set of C++ classes that provide a common API for realtime audio input/output across...
GTK - GTK+ is a multi-platform toolkit for creating graphical user interfaces.
Wwise - Game audio engine, designed to give artists more control and save programmers' time.