Fretplay.com
A substantial collection of tabs for guitar (and some for bass), with discographies and CD reviews, and a forum.

Fretwired
An index of guitar tab listings for the Total Guitar and Guitar Techniques magazines [UK]. Listed alphabetically and by genre.

Guitar Pro Song Book
Several thousand tablatures, all in Guitar Pro format. Organised by artist and style.

Guitar Tab Universe
A large database of lyrics with chords and/or tablatures, searchable by artist or band name; also offers a forum and lessons.

iTabs.nl
An archive of several thousand tabs, organized by artist, in a variety of genres; includes a number of non-English singing European artists.

Jens Guitar Tab Archive
Modest collection of tabs, mostly rock and pop but including a few classical; also offers MIDI files.

Kabish
Several thousand lyrics with tablature and/or chords for guitar, categorised (including classical and acoustic).

OLGA - On-Line Guitar Archive
An online library of tablature for guitar, in various formats, with its roots in the newsgroups rec.music.makers.guitar.tablature and alt.guitar.tab.

Tab Classics
A personal collection of the author's tabs, mostly of classic songs; includes a few arranged for acoustic fingerstyle guitar. Also offers a guide to using tablature.

The Guitar Tabalorium
Tablatures, lyrics and chords for a range of artists and bands, in varied genres.

The Tabworld.Com
Very large database of lyrics, tablature and chords; also includes a forum and reviews.

Ultimate Guitar Archive
A sizeable archive of tabs. Also has a forum, lessons and reviews.

Video Game Jam
Guitar tablature for video game music; also includes MIDI files.

Xclusive Guitar Tabs
Diverse, small collection all tabbed by the site owner, Frederic Maquet.