Semantic UI

Semantic empowers designers and developers by creating a shared vocabulary for UI.

• It is a complete web UI framework. It has a lot more widgets than Bootstrap and almost as many as Kendo UI. It is easy to use, feels lightweight and it has a nice default theme. Guest • Jul 2016 Disagree   Agree
• No data grid - this is a big diff Guest • Nov 2015 Disagree   Agree

Free Open Source Web

UIKit

A lightweight and modular front-end framework for developing fast and powerful web interfaces. ui framework full HTML / CSS, javascript component , form, theme ...

Free Open Source Web

jQuery UI

jQuery UI is an open source library of interface components — interactions, full-featured widgets, and animation effects — based on the stellar jQuery javascript library...

Free Open Source Web

Purecss

A set of small, responsive CSS modules that you can use in every web project.

Free Open Source Web

Ext JS

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

Commercial Web

Webix UI

JavaScript Library / HTML5 UI framework for developers with SpreadSheet, Pivot, Kanban, FileManager, Scheduler, Datatable, TreeTable and etc. widgets.

Commercial $ $ $ Open Source Mac Windows Linux Android iPhone ... Chrome OS Android Tablet Windows Phone iPad Blackberry 10

GroundworkCSS

GroundworkCSS is a 100% free and open source responsive HTML5, CSS and JavaScript Framework.

Free Open Source Web Self-Hosted

JQWidgets

Unique toolkit for HTML5 Web development jQWidgets gives us something new and special. It’s a new and unique library for Web development and unlike others it makes...

Free Personal Web

Wisej

Design and build complex Web Applications directly in Visual Studio using C# or VB.NET and a rich library of components.

Commercial $ $ $ Windows

Kube Web Framework

Kube is one of the world's most advanced and flexible frameworks. Kube helps you spend less time on routine tasks and more time creating amazing products. Focus on...

Free Open Source Web

DevExtreme

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...

Free Personal $ $ $ Open Source Mac Windows Linux Android iPhone ... Android Tablet Windows Phone iPad Kindle Fire

jKit

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 !...

Free Web jQuery

alloyui

AlloyUI is a framework built on top of YUI3 (JavaScript) that uses Bootstrap (HTML/CSS) to provide a simple API for building high scalable applications.

Free Open Source Web JavaScript

Gijgo

Gijgo is a set of free open source javascript widgets distributed under MIT License. All widgets are high performance and compatible with jQuery, jQuery UI, Bootstrap...

Free Mac Windows Linux Self-Hosted jQuery

PrimeUI

PrimeUI is a collection of rich javascript widgets based on jQuery UI. PrimeUI is a spin-off from the popular JavaServer Faces Component Suite, PrimeFaces.

Free Open Source Web jQuery UI jQuery