P5.js

I recently became aware of P5 JS - "a JavaScript library that starts with the original goal of Processing, to make coding accessible for artists, designers, educators, and beginners, and reinterprets this for today's web." In other words, it's a Javascript library that lets you draw and interact with all sorts of data - APIs, sound, cameras, HTML - in an easy way.

Their Welcome Video is downright delightful with Lauren McCarthy and Dan Schiffman introducing the basic concepts. The Getting Started Guide looks to be as straightforward as you can get and keeps the bar low for actually trying it out.

Overall, a very intriguing offering. I don't have much need for developing big, robust, interactive sites but the potential this offers for artists who code seems pretty huge.