Yup is a dead simple javascript object schema validator and object parser. Yup separates the parsing and validating functions into separate steps so it can be used to parse json separate from validating it.
csv-parser is a streaming csv parser inspired by binary-csv that aims to be faster than everyone else.
csv-parser can convert CSV into JSON at at rate of around 90,000 rows per second.
Snarkdown is a dead simple and lightweight Markdown parser written in JavaScript.
It's designed to be as minimal as possible, for constrained use-cases where a full Markdown parser would be inappropriate.
VisitorParser.js is a lightweight javascript-based to analyze visitors with user-agent & ip geo location parser.
UAParser.js is a JavaScript-based User-Agent string parser. Supports browser & node.js environment. Also available as jQuery/Zepto plugin, Bower/Meteor package, & RequireJS/AMD module.
Fabric.js is a powerful and simple Javascript HTML5 canvas library. Fabric provides interactive object model on top of canvas element.
Fabric also has SVG-to-canvas (and canvas-to-SVG) parser.
