Free Guitar Tabs Resource

Below are some of the links to some of free guitar tabs websites.

AcousticFingerstyle.com
Compositions and arrangements for fingerstyle guitar.

AcousticPower.com
Free acoustic guitar tabs in PowerTab format

Classtab.org
Classical guitar tablature

Flamenco-Teacher.com
If you want to learn to play flamenco, this place rocks.  It's got tons of tablature and RealAudio.

Guitar Playing Tips & Tabs 
The name pretty much says it all.

Jordan Hilario - Fingerstyle Guitar
Free fingerstyle guitar mp3's and fingertsyle guitar tabs.

Montreal Jazz Guitar
Free tabs of the fingerstyle jazz guitarist, Lenny Breau