GNU Solfege is *free* ear training software written in Python 3.4 using the Gtk+ 3 toolkit. The program is designed to be easily extended with lesson files (data files), so the user can create new exercises.
GNU Solfege is a program written to help you practice ear training
GNU Solfege is an ear training program written to help you train intervals, chords, scales and rhythms. It is free software and part of the GNU Project. The program is indented to help music students with their ear training.