Useful resources for you as a guitar player.
Including: Note location, Octaves
Including: Expanded chart, Chord possibilities
Including: Examples of how the chord changes, Choose the right capo
Including: 6th, 9th, 11th, 13th chords
Including: Chord comparisons, The connections of chords
Including: Tuning, String connections
Here are free guitar lessons in written articles. The articles combine texts and chord diagrams and tabs if necessary. More articles will show up here now and then.
Here are free guitar lessons in video format.