TempoPerfect Metronome - TempoPerfect is a free software metronome.
Metronomus - Powerful and beautiful online metronome
Guitaroid - Listen to Guitaroid | SoundCloud is an audio platform that lets you listen to what you love and share the sounds you create.
afractal Metronome - Highly perfomant, easy to use, minimalistic digital metronome desktop app.
AudioKit Hey Metronome - Visit the post for more.
Strike.Money - Visualise, Analyze and Trade with Strike