OPEN SOURCE USAGE
Music Theory Tutor was made possible
by the following open-source components.
– GUDIO Library (LGPL 2.1)
– KissFFT (Modified BSD License)
– LibOgg and LibVorbis (Xiph.Org Foundation License)
– PortAudio (MIT License)
– Qt (LGPL 2.1)
– SQLite (SQLite Public Domain License)