Metronomus - Powerful and beautiful online metronome
TempoPerfect Metronome - TempoPerfect is a free software metronome.
Super Tuner - Super Tuner is a musical tuning application that allows users to tune their instruments with ease to the frequency they want.
Metronome EXP - The Musicians Metronome
Fine Tuner - Fine Tuner is a minimalistic guitar tuner that utilizes your device's built-in microphone.
afractal Metronome - Highly perfomant, easy to use, minimalistic digital metronome desktop app.