7 String Guitar Resources
http://www.sevenstring.org/ – Great resource that includes the following sections: active forum, chat, reviews, and interviews
http://www.ultimate-guitar.com – “5 Unique Ideas that will Improve Your Seven String Guitar Playing”
www.tomhess.net – “How to Play 7 String Guitar to Maximize Your Musical Creativity”
www.reddit.com – Seven String Guitar Community on Reddit
www.musicopedia.com – Great list of scales and modes
www.kneelie.com – Huge list of 7 string guitar chords
8 String Guitar Resources
www.kneelie.com – Huge list of 8 string guitar chords
https://www.facebook.com/8stringguitars – Facebook community for eight string guitar players and fans