Some sources for simple guitar tabs for beginners are Songsterr.com, GuitarNick.com and GuitarHabits.com. These websites feature guitar tabs for simple songs and simplified versions of popular songs, kids' songs and classics.
Songsterr.com has a variety of beginner, intermediate and advanced tabs. As of 2015, Songsterr features beginner tabs for songs from Green Day, Nirvana, Creedence Clearwater Revival, AC/DC and other popular bands. Another source for beginner tabs, GuitarNick.com, features tabs for classics such as "Imagine," "Sitting on the Dock of the Bay" and "What a Wonderful World," as well as kids' songs like "London Bridge," "This Old Man" and "Twinkle Twinkle Little Star." GuitarHabits.com has tabs for "Redemption Song," "Runaway Train" and other popular songs.