Guitar School Online
- Useful chords and scales online finder. Includes musician news articles, lessons, tab/song lyrics, and forum.
- http://www.guitar-school-online.com

Scalculator
- Online scale and mode calculator for guitar or bass.
- http://www.ushimitsudoki.com/scalculator/

Power-Chord Studies
- The theory and practice of power chords; includes a library of chord shapes, drop-D shapes and jazz chords, exercises and studies.
- http://power-chords.com/

Guitar Archive of Fretboard Figures
- A guitar fretboard mapper; allows users to generate diagrams for scales and chords, in standard and variant tunings.
- http://www.power-chord.com/gaff/

JGuitar
- Guitar chord generator and scale calculator. Calculate fingerings for any chord on any stringed instrument in any tuning. Includes other useful tools such as chord namer and tab mapper.
- http://jguitar.com

Chord Book
- Virtual guitar and chordbook. Interactive, flash based reference tool for guitar players.
- http://www.chordbook.com/

All Guitar Chords
- Chord finder, including split chords and chord variations. Also features standard and exotic guitar scales.
- http://www.all-guitar-chords.com

Guitar Chord Generator
- Standard and alternative tunings. Design your own printable chord charts
- http://www.gootar.com/folder/guitar.html

WS64 Guitar Chords
- Graphical display of chords, including 6ths, 9ths and other jazz chords. All chords available as MIDI-files.
- http://www.chordfind.com/guitar/

Guitar Chords Generator
- Online and downloadable guitar chords generator.
- http://chords.kytara.cz/

Guitar Chord Explorer
- A free Java program which allows you to explore, build and identify hundreds of guitar chords
- http://www.michaelhogg.btinternet.co.uk/gce/