Numeral.js is a javascript library for formatting and manipulating numbers.
NumBox jQuery Plugin helps ensure that a numeric keyboard will pop-up on mobile devices when a number is entered. It offers real-time validation as you type plus display formatting for mobile devices and desktop browsers, is designed for HTML5's input type="number"
elements, and provides a number of customization options.
countUp.js is a lightweight JavaScript class that can be used to quickly create animations that display numerical data in a more interesting way.