Fine Tuner - Fine Tuner is a minimalistic guitar tuner that utilizes your device's built-in microphone.
MyGuitarTuner.com - Online microphone tuner for guitar, ukulele, violin and other instruments. Tune by ear or using the microphone of your device. It's fast and accurate algorithm makes it one of the best online microphone tuners available.
Metronomus - Powerful and beautiful online metronome
The Snail - Advanced instrument tuner and audio analyzer
Metronome M1 - Simple but extremely accurate metronome for mobile.
AP Tuner - APTuner is a sophisticated chromatic tuner for your computer, tablet, and phone.