Webix UI!

DHTMLX is a JavaScript library that provides a comprehensive set of UI widgets and makes building web apps easy. Develop killer web apps with DHTMLX!

Ext JS is a JavaScript library for building interactive web applications using techniques such as Ajax, DHTML and DOM scripting. Ext includes interoperability with jQuery and Prototype.

W2UI is a small JavaScript UI library with a complete set of widgets: layout, grid, sidebar, toolbar, tabs, fields, popup, utilities.

D3-based reusable chart library that enables deeper integration of charts into web applications

Dojo Toolkit is an open source modular JavaScript library (or more specifically JavaScript toolkit) designed to ease the rapid development of cross-platform, JavaScript/Ajax-based applications and web sites.

amCharts is an advanced charting library that will suit any data visualization need. Our charting solution include Column, Bar, Line, Area, Step, Step without risers, Smoothed line, Candlestick, OHLC, Pie/Donut, Radar/ Polar, XY/Scatter/Bubble, Bullet, Funnel/Pyramid charts as well as Gauges.

Enyo is a JavaScript app framework enabling developers build native-quality HTML5 apps that run everywhere — from phones and tablets to PCs and TVs.

DevExtreme is a commercial application framework made by DevExpress. It is based on HTML5 and JavaScript and can generate native applications for smartphones and tablets (Windows Phone, iOS and Android) and responsive webapps for a traditional desktop.

Cappuccino is a framework which makes it easy to create advanced web apps. With just a few lines of code you can have an app built with full undo and redo, truly amazing table views, drag and drop and every modern UI appearance and behaviour you might expect on the desktop.

vis.js is a dynamic, browser based visualization library. The library is designed to be easy to use, to handle large amounts of dynamic data, and to enable manipulation of and interaction with the data. The library consists of the components DataSet, Timeline, Network, Graph2d and Graph3d.

Unique toolkit for HTML5 Web development

A very easy to use, cross platform, jQuery based UI toolkit, that's still small in size, has the features you need, and doesn't get in your way of doing things !jKit is framework js for easiest developpement like twitter bootstrap.All call javascript interaction are called inside html tag, very easy.jKit use data attribute ex: data-jkit="[ajax:element=#mydivtoreplace]"

Riot lets you build user interfaces with custom tags using simple and enjoyable syntax. It uses a virtual DOM similar to React but faster. Riot is very tiny compared to industry standards. We think there is a clear need for another UI library.