* [Backpack 42.1.0](https://github.com/Skyscanner/backpack) – Collection of design resources, reusable components, and guidelines for creating products. * [Taiga UI v4.75.0](https://github.com/taiga-family/taiga-ui) – Fully-treeshakable Angular UI Kit with modular components, customizable styling, and strong TypeScript integration. * [Carbon Components Angular v5.65.0](https://github.com/carbon-design-system/carbon-components-angular) – Angular implementation of the Carbon Design System providing UI components and styles. * [ng-packagr 21.2.0](https://github.com/ng-packagr/ng-packagr) – Tool to compile and package Angular libraries in Angular Package Format. * [Oat UI v0.4.0](https://github.com/knadh/oat) – Ultra-lightweight, zero-dependency semantic UI component library for HTML, CSS, and JS with ~8KB footprint. * [Carbon v158.37.0](https://github.com/Sage/carbon) – React component library developed for building user interfaces. * [Layui v2.13.5](https://github.com/layui/layui) – Web UI component library that simplifies building web interfaces with a lightweight modular approach. * [Skeleton skeleton@4.13.0](https://github.com/skeletonlabs/skeleton) – UI toolkit for creating reactive web interfaces using Svelte and Tailwind CSS. * [Element Plus 2.13.5](https://github.com/element-plus/element-plus) – Vue.js 3 UI library built with TypeScript and Composition API. * [Royal Navy Design System 4.50.0](https://github.com/Royal-Navy/design-system) – Design system for building web applications that comply with Royal Navy service standards. * [Wave v2.51.0](https://github.com/freenowtech/wave) – Design system for creating consistent user interfaces. * [Vueless UI v1.4.0](https://github.com/vuelessjs/vueless) – Open-architecture UI library for Vue.js 3 and Nuxt.js 3/4 with Storybook and Tailwind CSS support. * [Primer React @primer/react@38.16....](https://github.com/primer/react) – React implementation of GitHub's Primer Design System. * [B.C. Design System @bcgov/design-tokens...](https://github.com/bcgov/design-system) – Provides design tokens, Figma and React components, and documentation to build consistent, accessible government digital services. * [Bits UI bits-ui@2.16.0](https://github.com/huntabyte/bits-ui) – Flexible, unstyled, and accessible headless components for building Svelte component libraries. * [Marigold @marigold/theme-rui@...](https://github.com/marigold-ui/marigold) – React implementation of a design system based on react-aria and Tailwind CSS. * [FAST 20260318.2](https://github.com/microsoft/fast) – Framework for creating reusable UI components based on Web Component standards. * [HeroUI @heroui/user@2.2.26](https://github.com/heroui-inc/heroui) – Beautiful, fast, and modern React UI library. * [React Virtuoso @virtuoso.dev/gurx@1...](https://github.com/petyosi/react-virtuoso) – The most complete virtual list/table/grid component for React with support for variable sized items. * [cauldron v6.25.3](https://github.com/dequelabs/cauldron) – Accessible component library and styling package for creating inclusive user experiences. * [RetroUI Svelte v0.8.1](https://github.com/Mhamad6000/retroui-svelte) – Svelte component library that ports a retro design system, offering 16 themes, light/dark modes, and extensive customization. * [PhpSPA v2.0.8](https://github.com/dconco/phpspa) – Component-based PHP library for building reactive, stateful, SPA-like user interfaces without JavaScript frameworks. * [LaunchPad @launchpad-ui/naviga...](https://github.com/launchdarkly/launchpad-ui) – Modern, accessible design system providing React components, icons, and design tokens for building consistent user interfaces. * [sugarcube @sugarcube-sh/vite@0...](https://github.com/sugarcube-sh/sugarcube) – Converts W3C design tokens into CSS variables, utility classes, and component styles.