ChordU

Songsterr

songsterr.com

Ultimate Guitar

ultimate-guitar.com

Chordify

chordify.net

Tunebat

tunebat.com

GuitarTuna

yousician.com

Virtual Piano

virtualpiano.net

Flat

flat.io

Musicca

musicca.com

flowkey

flowkey.com

Fender Play

fender.com

midi.city

midi.city

Tomplay

tomplay.com

Mute.io

muted.io

Guitar Tricks

guitartricks.com

有谱么

yoopu.me

Chosic

chosic.com

LaCuerda

lacuerda.net

Musicnotes

musicnotes.com

TrueFire

truefire.com

Pickup Music

pickupmusic.com

JamPlay

jamplay.com

toplayalong

toplayalong.com

Hợp Âm Chuẩn

hopamchuan.com

Chordly

chordly.io