Simple & easy animation/tweener
Easily load and play all or part of short audio files in the browser.
Calculate distance between a point and a finite line segment
Simplify lines using the Ramer–Douglas–Peucker algorithm
Outline a region in a two-dimensional grid using a marching squares algorithm
Get a polygon outline for the opaque (or non-white or non-black) area of an image, in the browser, in node, or on the command line