Ninja UI Alternatives

React

A JavaScript library for building user interfaces by Facebook. Declarative React makes it painless to create interactive UIs. Design simple views for each state in...

Features:

• Argument mapping
• Developer Tools
• Modular System
• User interface
• View layer abstraction
• Virtual DOM
• Web Development

Semantic UI

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

UIkit

A lightweight and modular front-end framework for developing fast and powerful web interfaces.

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...

Features:

• Interaction
• User interface
• Widgets

Purecss

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

w2ui

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

Features:

• Autocompletion
• Tabs
• User interface

Kendo UI

Kendo UI is JQuery-based framework for rich UI, build HTML5 apps that look native on any device, build desktop and mobile applications for any browser.

GroundworkCSS

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

RiotJS

Simple and elegant component-based UI library. Custom tags, enjoyable syntax, elegant API, tiny size (~10KB).