Open source. Open possibilities.

Radzen Blazor is a free, MIT-licensed UI component library for Blazor with 145+ native C# components, including DataGrid, Scheduler, Charts, forms and layout controls, plus 10 built-in themes with light and dark variants.

Material Design for Bootstrap is a free UI kit offering 700+ components, themes, and templates for building responsive, mobile-first websites. Available for jQuery, Angular, React, and Vue under MIT license.

PrimeReact is a React UI component library now in maintenance mode: the repository receives security fixes only, active development has moved to PrimeUI, and all previously published MIT releases remain MIT permanently.

MudBlazor is a Material Design component framework for Blazor, written entirely in C# with minimal JavaScript. It helps .NET developers build web apps quickly without wrestling with CSS, and offers documentation, examples and frequent releases.

Vuetify is an MIT-licensed Vue UI component framework offering handcrafted, responsive components with theming, SASS customization, Vite tree-shaking and 42+ language support.

Varlet is a Vue 3 component library based on Material Design 2 and 3, offering 70+ general-purpose components that work on both mobile and desktop, with theming, internationalization, SSR and TypeScript support.

react-md is an accessible React component library built from the Material Design guidelines with Sass. It offers low-level customizable components, global and component-level theming with CSS variables, light/dark/system themes, right-to-left language support, and is written in TypeScript.

Material Web (@material/web) is a library of web components implementing Google's Material 3 design system, for building accessible web apps. It ships from npm and can be loaded directly from a CDN. Note: the project is in maintenance mode pending new maintainers.