guitarLayers - guitarLayers is a professional macOS guitar learning software.
Fachords - Fachords is an online site that provides many resources that you can use to take your guitar skills to the next level.
TrueFire - The Best Guitar Lessons Online Fast. Easy. Fun.
CrazyStrum - CrazyStrum is a powerful app that allows you to learn new techniques to play your guitar in a better way than before.
School Guitar - School Guitar offers you the opportunity to learn guitar skills by buying its interactive Learning Software that includes comprehensive lessons and guides to help you go beyond the beginner guitarist level.
FATpick - Tab player that listens as you play along with any guitar to provide instant feedback on your timing and accuracy