Biota

Biota, devised by Ward Cunningham, is an esoteric programming language in two dimensions and sold for a net profit in 1991 (predating Befunge). The desire was for a 2-D language that was simple enough and robust enough to experiment with code mutation.

External resources

 * Biota page on Ward's wiki
 * Original Smalltalk source
 * Notes on the model and operations
 * interpreter in JavaScript on a web page