A network daemon that runs on the Node.js platform and listens for statistics, like counters and timers, sent over UDP or TCP and sends aggregates to one or more pluggable backend services (e.g., Graphite).

Statsd - Simple daemon for easy stats aggregation

A beautiful Javascript WYSIWYG HTML rich text editor. High performance and modern design make it easy to use for developers and loved by users.

Froala Editor - A beautifully designed WYSIWYG HTML Editor based on HTML5.

Oboe.js is an open source Javascript library for loading JSON using streaming, combining the convenience of DOM with the speed and fluidity of SAX. It can parse any JSON as a stream, is small enough to be a micro-library, doesn't have dependencies, and doesn't care which other libraries you need it to speak to.

oboe.js - A streaming approach to JSON. 

Highcharts is a charting library written in pure JavaScript, offering an easy way of adding interactive charts to your web site or web application. Highcharts currently supports line, spline, area, areaspline, column, bar, pie, scatter, angular gauges, arearange, areasplinerange, columnrange and polar chart types.

Highcharts - Interactive Javascript Charts

Chartist.js is a simple responsive charting library built with SVG. Its goal is to provide a simple, lightweight and unintrusive library to responsively craft charts on your website. It's important to understand that one of the main intentions of Chartist.js is to rely on standards rather than providing it's own solution to a problem which is already solved by those standards. We need to leverage the power of browsers today and say good bye to the idea of solving all problems ourselves.
 
Chartist works with inline-SVG and therefore leverages the power of the DOM to provide parts of its functionality. This also means that Chartist does not provide it's own event handling, labels, behaviors or anything else that can just be done with plain HTML, JavaScript and CSS. The single and only responsibility of Chartist is to help you drawing "Simple responsive Charts" using inline-SVG in the DOM, CSS to style and JavaScript to provide an API for configuring your charts.

Chartist.js is a simple responsive charting library built with SVG. Its goal is to provide a simple, lightweight and unintrusive library to responsively craft charts on your website. It's important to understand that one of the main intentions of Chartist.js is to rely on standards rather than providing it's own solution to a problem which is already solved by those standards. We need to leverage the power of browsers today and say good bye to the idea of solving all problems ourselves.

Chartist-js - Simple responsive charts

Ember.js (formerly SproutCore 2.0) is a JavaScript framework that does all of the heavy lifting that you'd normally have to do by hand. There are tasks that are common to every web app; Ember.js does those things for you, so you can focus on building killer features and UI.
 
These are the three features that make Ember.js a joy to use: Bindings, Computed properties, Auto-updating templates

Ember.js (formerly SproutCore 2.0) is a JavaScript framework that does all of the heavy lifting that you'd normally have to do by hand. There are tasks that are common to every web app; Ember.js does those things for you, so you can focus on building killer features and UI.



EmberJS - JavaScript framework for creating ambitious web applications

Elm is a functional reactive programming (FRP) language that compiles to HTML, CSS, and JS. FRP is a concise and elegant way to create highly interactive applications and avoid callbacks. It aims to make web development more pleasant. Functional Reactive Programming (FRP) is a high-level way to work with interactions. It provides control flow structures for time. 

Elm - Functional Reactive Programming Language compiles to Javascript

Chakra UI is a simple, modular and accessible component library that gives you the building blocks you need to build your React applications. It strictly follows WAI-ARIA standards for all components. It is Themeable, Composable and Optimized for multiple color modes. 



Chakra UI - Simple, Modular & Accessible UI Components for your React Applications

Node.js is a server-side JavaScript environment that uses an asynchronous event-driven model. It could handle thousands of concurrent connections. This allows Node.js to get excellent performance based on the architectures of many Internet applications. It is an evented I/O for <A HREF="http://code.google.com/p/v8/" target="_blank">V8</A>, which is Google's open source JavaScript engine. Using Javascript in the server and in the browser helps to work in a single programming environment. They could communicate using JSON.

Node.js is a server-side JavaScript environment that uses an asynchronous event-driven model. It could handle  thousands of concurrent connections. This allows Node.js to get excellent performance based on the architectures of many Internet applications. It is an evented I/O for V8, which is Google's open source JavaScript engine.

Node.JS - Builds Scalable Network Programs

D3 is a small, free JavaScript library for manipulating HTML documents based on data. D3 can help you quickly visualize your data as HTML or SVG, handle interactivity, and incorporate smooth transitions and staged animations into your pages. You can use D3 as a visualization framework (like Protovis), or you can use it to build dynamic pages (like jQuery).
 <img src="/AppImages/Article/voronoi.jpg" alt="" class="float-center">

D3 is a small, free JavaScript library for manipulating HTML documents based on data. D3 can help you quickly visualize your data as HTML or SVG, handle interactivity, and incorporate smooth transitions and staged animations into your pages. You can use D3 as a visualization framework (like Protovis), or you can use it to build dynamic pages (like jQuery).

D3 - A JavaScript visualization library for HTML and SVG

PEG.js is a simple parser generator for JavaScript that produces fast parsers with excellent error reporting. You can use it to process complex data or computer languages and build transformers, interpreters, compilers and other tools easily. It integrates both lexical and syntactical analysis.

PEG.js - Parser Generator for JavaScript

Postman helps you be more efficient while working with APIs. Using Postman, you can construct complex HTTP requests quickly, organize them in collections and share them with your co-workers.

Postman -  Supercharge your API workflow

Crypton is a framework for creating zero-knowledge web applications. Zero Knowledge applications offer meaningful privacy assurance to end users because the servers running the application cannot read the data created and stored by the application.

Crypton - A framework for creating zero-knowledge web applications

Great RESTful APIs look like they were designed by a single team. This promotes API adoption, reduces friction, and enables clients to use them properly. To build APIs that meet this standard, and to answer many common questions encountered along the way of RESTful API development, the Zalando Tech team has created this comprehensive set of guidelines. We have shared it with you to inspire additional discussion and refinement within and among your teams, and contribute our learnings and suggestions to the tech community at large.

Restful API Guidelines - A model set of guidelines for RESTful APIs, created by Zalando

A lightweight, cross browser library for adding IDE style behaviors to plain text areas.

Behave.js - A lightweight, cross browser library for adding IDE style behaviors to plain text areas

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