The best site by far for beginners and players advancing beyond beginner level is run by my great friend and colleague Mike Herberts (and containing some of my videos too!)
Just subscribe to start receiving FREE beginners’ videos immediately.
My customer and friend Philip Glaser has developed a simple and highly-effective flash-card tool to help to learn the notes on the guitar fretboard. You can find it here:
You can get them at Amazon UK: Philip’s Learn ALL the Notes on the Guitar Flash Cards
Or Amazon US: Philip’s Learn ALL the Notes on the Guitar Flash Cards