
Web-based Ninja UI Alternatives
There are many alternatives to Ninja UI as a web app if you are looking for a replacement. The best Online alternative is React, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 10 alternatives to Ninja UI and ten of them are available as a web app so hopefully you can find a suitable replacement. Other interesting Online alternatives to Ninja UI are UIkit, Purecss, RiotJS and jQuery UI.
Alternatives list

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


Cost / License
- Free
- Open Source
Platforms
- Online
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.
Cost / License
- Free
- Open Source
Application types
Platforms
- Online
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...
Cost / License
- Free
- Open Source
Platforms
- Online


GroundworkCSS is a 100% free and open source responsive HTML5, CSS and JavaScript Framework.
- 33 Kendo UI alternatives
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.
Cost / License
- Freemium
- Proprietary
Platforms
- Mac
- Windows
- Linux
- Online

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.
Cost / License
- Free
- Open Source
Platforms
- Online
- JavaScript
Prime UI is the missing foundation for AI-generated websites. Go from sitemaps and wireframes to production-ready Next.js and Tailwind CSS code in minutes. Built for consistent results. No prompt engineering required.
Cost / License
- Paid
- Proprietary
Platforms
- Online


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