Free guitar music tabs
They're all over the internet
The internet has them. Just do a google or bing search and you'll find some
You can get free music tabs for a guitar from http://www.heartwoodguitar.com/chords/. In the site, you will get a wide collection of tabs like Nuclear by Adam Ryan and Let It Be by The Beatles that you can play on your guitar.
I always use www.ultimate-guitar.com it's the best site evar! Good luck :)