Processing.js is pretty cool.I found a Mosaic Knitting Pattern Generator from Laura Kogler.

This is a script to generate patterns intended to be knit using the two-color knitting technique known as “mosaic”, or “slip-stitch”, knitting. If you make something using this pattern generator, I’d love to know about it! You can email me (me[at]laurakogler.net), or hit me up on ravelry!

Mosaic Knitting Pattern Generator

Links:

processingjs.org

laurakogler.net/processing/MosaicKnitting/