GTick is an acoustical and graphical metronome application (usually used to support musicians at practising an instrument). It features a scale from 30 to 250 beats per minute and 2/4, 3/4, 4/4 and other meters. You need a sound device for using it.
GPL-3.0+
0.5.5-3 (crimson)
0.5.5-2 (byzantium)
AudioVideo