Fender Tune - Free guitar and bass tune iOS app
LINGOT - Musical instrument tuner, LINGOT is a musical instrument tuner.
Epoch - Simple, with easy all-inclusive merchant integration. Powerful, with automated international customization. Flexible, for the most unique and sophisticated demands.
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.
Roadie Tuner - Fine tune your guitar in seconds
PitchLab Guitar Tuner - PitchLab Guitar Tuner is a software that helps artists to tune their guitar, and it comes with a chromatic tuner for free.