Here are over 24,000 official tabs scraped from Ultimate Guitar. A list of songs can be found underneath. The Guitar Pro files included contain guitar, bass, piano, vocals and every other instrument present in each of these songs. You can open them with the Guitar Pro software or a free alternative, TuxGuitar.
A list of songs can be found with the zip file of the tabs. They include songs by The Beatles, Guns N' Roses, Radiohead, Metallica, Green Day, Led Zeppelin, and 3,000+ other artists.