papaparse
Fast and powerful CSV parser for the browser that supports web workers and streaming large files. Converts CSV to JSON and JSON to CSV.
magnific-popup
Lightbox and modal dialog plugin. Can display inline HTML, iframes (YouTube video, Vimeo, Google Maps), or an image gallery. Animation effects are added with CSS3 transitions. For jQuery or Zepto.
inputmask
Inputmask is a javascript library which creates an input mask. Inputmask can run against vanilla javascript, jQuery and jqlite.
urijs
URI.js is a Javascript library for working with URLs.