Codefusion Lab

Chart.js is a JavaScript library which allows you to create graphs for the client-side easily using an object-oriented approach. Chart.js provides 6 ways of representing your data, with each being animated and fully customizable.
Chart.js can display your data in form of line charts, bar charts, radar charts, pie charts, polar area charts, and donut charts. The library uses HTML5 Canvas to display the graphs and has polyfills for IE7/8....

Intro.js is a JavaScript library for guided tours for your websites. It uses data attributes within your HTML to feed the library with the data needed to operate.
You can navigate through the tour using mouse and keyboard shortcut keys. The library makes use of overlays and popups to focus the user’s attention to the proper part of the page being toured....

Countable.js is a small JavaScript library which allows you to present the number of paragraphs, words and characters from a text area to any HTML element of your choice.
The library updates the counts in real-time and is very easy to use.  Countable.js might find application in areas where text length limiting is necessary, such as comment length, description length, etc....

lunr.js is a JavaScript library which implements a full-text search in your browser in a simple and easy way. lunr.js is designed to be small and fast, without you needing a server-side engine to implement the search engine.
lunr.js also has inbuilt filtering of stop words, which are common words in search queries which do not affect the way pages are retrieved....