Encoding
4 scripts
Morse Code
Developed by Samuel Morse and Alfred Vail. The letter E is a single dot, the most efficien...
Quipu
Knotted cords used by the Inca empire for accounting and records. Colors, knot types, and ...
Pitman Shorthand
A phonetic shorthand by Isaac Pitman where stroke thickness distinguishes related sounds. ...
Gregg Shorthand
An American shorthand by John Robert Gregg based on flowing elliptical curves. Light-line ...