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.
LINGOT - Musical instrument tuner, LINGOT is a musical instrument tuner.
Metronomus - Powerful and beautiful online metronome
Online Guitar Tuner - We can say it is the "suggested", "universal" or standard guitar tuning.
Guitar Tuna - GuitarTuna is the easiest, fastest and most accurate guitar tuner app out there!