3 ms·In the AMA he says it's all client side JavaScript. Server run costs are 20$ in one year.by anonu 8y agoIn the AMA he says it's all client side JavaScript. Server run costs are 20$ in one year.sidcool 8y agoThat's pretty cool. My question then should be, what JS libraries?pier25 8y agoFrom what I saw in the AMA it's 99% vanilla. He only uses Paper.js for computing vector graphics booleans.