Guitaertab.com is a chord website that has over 12000 artists with over 200, 000 tabs including chords, tabs, bass and drums.
For each guitar chord, you can choose among different key variations. All chords have versions for both guitar and keyboard and each of them has a complete chord library. In order to have access to these chords and tabs you have to become a member. Two types of membership are offered; you can sign up for free or become a premium member for a monthly fee. As a premium member you can use a tool that simplifies the tabs and make difficult chords easier and more. In addition to chords, the website also offers a glossary where you can find music definitions and a “Forum” section where you can discuss music-related issues. 
