Tksolfege is an ear training program for learning to recognize chords, intervals, perform rhythm dictation, solfege dictation and singing solfege sequences. The program requires Tcl/Tk 8.4, however the Windows executable has Tcl/Tk builtin.
Features:
The program contains ear training exercises for the identification of chords, musical intervals, key signatures, musical scales, and cadences.
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.
The Audio File 