Chordman starts with easy to learn open chord shapes, showing later how they transpose up the neck to even the most complicated, while you LISTEN to and SEE each one!
Using chordman you can play (and write) your first songs now! Even without a guitar, beginners can get a feel for how one works and THEN decide if it's for them! Later on, Chordman will prove invaluable - no matter what level of skill you get to!
If you want to teach YOURSELF the guitar here's the greatest tool you'll ever find.