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.
CrazyStrum - CrazyStrum is a powerful app that allows you to learn new techniques to play your guitar in a better way than before.
TrueFire - The Best Guitar Lessons Online Fast. Easy. Fun.
Learn & Master - Learn & Master is an online website that offers various skills like Photography, Guitar, Ballroom Dance, Piano, Drums, and Painting.
Jamorama - Jamorama offers an effective and easy-to-grasp video training solution to help you learn guitar and play skills with higher confidence.