Power Chord
Power Chord has chord lookup, chord explorer and music theory tools with piano and guitar interfaces.
Extensions by WorldTree Software
3 extensions
Chrome Web Store
Extension List
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Virtual Harmonograph
A harmonograph that employs virtual pendulums to draw Lissajous curves, or related drawings of greater complexity.
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Quick Find New Tab
A new tab extension with quick access to top sites, bookmarks, history and tabs with filtering
