ActiveGuitar
Activeguitar.com features free guitar lessons with tablature and playback. with olga tab search, composition tools, resources, accessory and sheet music reviews, chords, scales, and more!
http://www.activeguitar.com/
ActiveBass
Free bass guitar lessons with tablature and playback. with olga tab search, composition tools, resources, accessory and sheet music reviews, scales, lines, and more!
http://www.activebass.com/
GuitareTab
A-z guitar tabs — ( 40,000 tab archive )
http://www.guitaretab.com/
Revis tabs
Guitar tablatures archive: 30,000 guitar tabs for rock, ska, punk, reggae, metal, pop, blues, and also hundreds of free guitar lessons. a new tablature every hour.
http://www.e-tabs.org/tab/revis
The tabworld
Guitar tabs, guitar chords, bass tabs, drum tabs, piano tabs, song lyrics, music news, albums, biography, discography, guitar lessons, music forums and more.
http://www.thetabworld.com/
UltimateGuitar
Your #1 source for guitar tabs, bass tabs, chords and guitar pro tabs. comprehensive tabs archive with over 250,000 tabs! tabs search engine, guitar lessons, cd, dvd and gear reviews, rock news, guitar columns and forums!
http://www.ultimate-guitar.com/