
React is the most popular Web-based, Windows, Mac & Linux alternative to Ninja UI.
React is the most popular Open Source & free alternative to Ninja UI.
- React is Free and Open Source
- React is Customizable
Ninja UI is described as 'Ninja User Interface, the jQuery plugin for lethal interaction' and is an website in the development category. There are more than 10 alternatives to Ninja UI, not only websites but also apps for a variety of platforms, including Self-Hosted, Mac, Windows and Linux apps. The best Ninja UI alternative is React, which is both free and Open Source. Other great sites and apps similar to Ninja UI are Semantic UI, UIkit, Purecss and Hono.dev.

React is the most popular Web-based, Windows, Mac & Linux alternative to Ninja UI.
React is the most popular Open Source & free alternative to Ninja UI.
UI framework with 50+ elements and 3000+ CSS variables, ensuring responsive design. Seamlessly integrates with React, Angular, and other frameworks for customizable theming.




Semantic UI is the most popular Self-Hosted alternative to Ninja UI.
A lightweight and modular front-end framework for developing fast and powerful web interfaces.


A set of small, responsive CSS modules that you can use in every web project.
Hono - means flame 🔥 in Japanese - is a small, simple, and ultrafast web framework for the Edges. It works on any JavaScript runtime: Cloudflare Workers, Fastly Compute, Deno, Bun, Vercel, AWS Lambda, Lambda@Edge, and Node.js.

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.
Fresh is a next generation web framework, built for speed, reliability, and simplicity. Some stand out features:
jQuery UI is an open source library of interface components — interactions, full-featured widgets, and animation effects — based on the stellar jQuery javascript library . Each component is built according to jQuery's event-driven architecture (find something, manipulate...


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




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

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.