A
100
Chromatone
Theory
Notes
Alternative notation systems
There's a plenty of proposed and actually used ways of writing down and communicating music information
Numbered notation
A simplified notation using numbers to show scale degrees
Bilinear notation
Upgraded staff notation by Jose A. Sotorrio
Chromatic staff
Extension of the regular staff to have room for all the 12 notes
Klavarskribo
Vertical chromatic staff notation by Cornelis Pot
Dodeka
Keyboard and notation redesigned for consistence and ease of use
Parsons code
A simple notation used to identify a piece of music through melodic motion
Integer notation
System that uses numbers to show notes
Standard pitch notation
American SPN
Tabulature
Explicit note playing instructions for the instrument
Here's the growing list of all the known alternative approaches to notation systems:
Tabulature
Numbered notation
Bilinear notation
Chromatic staff
Klavarscribo
Dodeka
Parsons code
Standard pitch notation
Integer notation
Classic European music staff notation
Theory
Notes
Computer notation
Chromatone
MIT © 2017-Present
v.2.9.8-0