8notes.com: Free guitar pieces and lessons.
Crossroads Guitar Lessons: Over 110 one-hour guitar lessons including streaming video, soundfiles, notation, tablature and text.
CyberfretBass.com: Free online electric bass guitar lessons using audio and video.
Dan's Guitar Stuff: A collection of lessons and tips for the Jazz and Blues guitarist. Featuring audio examples, graphics, and e-mail support.
Guitar Concept: Online lesson plan for learning chords, scales, tablature, theory, and ear training.
GuitarBase GuitarMall: Offers online lessons and guitar dealers.
GuitarLessons.net: Free lessons taught by a professional guitarist of 17 years.
HotFrets: Description of the interactive guitar lessons they offer for beginners and advanced players. Free samples available.
Mars Music: Information about registration and lesson description. Unique technology offers feedback during lessons.
Metal Method: Free lessons in the heavy metal style.
Music of the Spheres, Ltd.: Free electric guitar tuition information pack and MP3 album. Mail order courses for beginners.
MusicLearning.com: Interactive lessons with play along midi files and real audio listening examples.
PDS Music: Acoustic and classical guitar lessons by international mail order correspondence. Free sample lessons.
PDS Music: Free lessons for the casual learner.
Personal Guitar School: Custom lessons delivered by email. Beginner and advanced programs available.
TheGuitar.net: Offers private internet lessons that allows for student/teacher interaction in real time.
TrueFire.com: Downloadable lessons in MP3, PDF, HTML and RealAudio formats.
Wolfman's School of Music: Offers online guitar lessons by Bob Wolfman, 25-year old veteran.