WinUI Alternatives for Self-Hosted

Vaadin is an open-source framework for web application development. The framework allows you to write UI 100% in Java without having to write extra HTML, CSS and JS. Vaadin apps run on the server and handle all communication automatically and securely.

Semantic UI is a free and open-source framework for HTML and CSS. The framework treats words and classes as exchangeable concepts. Classes use syntax from natural languages like noun/modifier relationships, word order, and plurality to link concepts intuitively. Semantic UI provides similar benefits to that of BEM or SMACSS style guidelines.

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

Material UI is a free and open-source framework with React components for faster and easier web development. With Material UI you can build your own design system and get started with Material Design. The framework includes pre-built React components for almost all UI use-cases that are at your fingertips as soon as you install Material UI.

Tailwind CSS is a customizable, low-level HTML & CSS framework. With Tailwind CSS you can create unique UIs without having to write any CSS. The framework comes with pre-written CSS classes that you can add to HTML elements to build bespoke UI components, your way.

PureCSS is a free and open-source CSS framework with a minimal footprint. The entire framework and its modules weighs in at just 3.7KB minified and gzipped. With PureCSS web developers can craft responsive UI for websites that works for mobile as well as desktop. Since every line of the framework was carefully considered, you can rest assured that your page size will be kept to a minimal, and your website loads fast.

Cirrus.CSS is a component and utility centric SCSS framework designed for rapid prototyping of web sites and web applications. In total, Cirrus.CSS weighs in at 17.3kb GZIPPED and provides all the necessary components for creating forms, buttons, check boxes, inputs and layouts for mobile and desktop.

With OpenUserCSS you can change the look of other websites. OpenUserCSS contains a wide range of themes that are easy to apply, to make websites more readable.

With Kendo UI you can save time by integrating components to handle all the key functionality of your applications UI. Kendo UI is a set of pre-built commerical components that can be used to create feature rich data grid components, charts, spreadsheets, schedulers, and much more. The Kendo UI component are avalible for use with Angular, React, Vue and jQuery.

A free and open-source HTML and CSS framework dedicated to responsive and mobile-first frontend web development. With Bootstrap developers can get up and running fast without writing boilerplate HTML and CSS. Bootstrap comes packed with design templates and standards for buttons, forms, navigation, typography and interface components. The framework also provides extra interactive JavaScript extensions written specifically for Bootstrap.