Alert
59 resources in the index ship this component, best first. Group: Feedback.
Also called · inline alert · callout · message · section message · site alert · messagebar · flag · admonition · note · warning
Ships it
59- ARIA Authoring Practices Guide · W3C's 30 canonical widget patterns with keyboard maps and working HTML examples
- Astryx · Meta's open-source React + StyleX design system, 150+ components and 42 templates
- Chakra UI · 114 accessible React components with a token-driven styling system
- The Component Gallery · 60 UI components cross-referenced against 95 real design systems
- Coss UI · Cal.com's design system: 60 Base UI primitives shipped as a shadcn registry
- daisyUI · 68 pure-CSS Tailwind components as semantic class names, MIT, with 35 built-in themes
- GPUI Component · 60+ Rust desktop UI components for GPUI, with a 200K-line code editor and charts
- HeroUI (formerly NextUI) · 71 React components on React Aria + Tailwind v4, with an MCP server
- Mantine · 150+ styled React components, 70+ hooks, CSS modules, no runtime CSS-in-JS
- MUI · React component suite: Material UI, MUI X data grid, charts and date pickers
- NameThatUI · Visual dictionary that maps 76 web and macOS UI elements to their real names and code
- Neobrutalism (ex RetroUI) · Neo-brutalist shadcn registry: 60 free components, 158 Pro blocks, 6 templates
- ReUI · 1,052 free shadcn components, 502 pro blocks, 10 templates, hosted MCP
- shadcn/ui · 64 copy-in React components on Radix + Tailwind, installed by CLI
- shadcn/ui (GitHub) · Source monorepo for shadcn/ui: components, CLI, registry schema, skills
- Untitled UI · Figma UI kit plus React Aria + Tailwind v4 component library with an MCP server
- 8bitcn/ui · Retro pixel-art restyle of shadcn/ui: 57 components and 44 blocks
- AlignUI · React + Tailwind design system with a code-synced Figma library
- Ant Design · 73-component React library and design language for enterprise back-office apps
- Appica UI · 70 React components on Base UI and Tailwind v4, with an llms.txt and markdown docs
- Atlassian Design System · Atlaskit: 59 Apache-2.0 React components behind Jira, Confluence and Bitbucket
- Carbon Design System · IBM's open-source design system: 44 documented components across five frameworks
- coss ui · Cal.com's Base UI + Tailwind v4 registry: 56 primitives and 500 particle variants
- Cult UI · 82 free design-engineer components plus 10 paid full-stack AI starters
- Design System Checklist · 232-item open-source checklist for design language, foundations and components
- Design Systems Surf · Database of ~90 public design systems, cross-cut by component and by foundation topic
- ElevenLabs UI · First-party shadcn registry for voice agents: orbs, waveforms, transcripts
- Extend UI · shadcn registry of PDF, DOCX, XLSX and CSV viewers with bounding-box citations
- Flowbite · 56+ MIT Tailwind components with vanilla-JS behaviour, plus a paid 450+ block library
- Fluent 2 · Microsoft's design system: 47 web components plus Windows, iOS and Android kits
- gluestack-ui · CLI-installed React Native component library built on NativeWind and Tailwind v4
- HextaUI · 103 shadcn registry items: primitives plus AI, auth, billing, settings and team blocks
- hue · Agent skill that turns any brand URL or screenshot into a design system
- HyperUI · 537 free MIT Tailwind blocks across application, marketing and neobrutalism sets
- Neobrutalism Components · 48 shadcn/ui components restyled as neobrutalism, plus 4 free Tailwind templates
- Open UI · W3C Community Group research and specs for native, styleable HTML controls
- Opensource UI · 154 free MIT React and Next.js components across 26 categories, copy-pasted from pages that serve the full TypeScript source in the HTML
- OpenUI · MIT generative-UI framework: streaming UI language, component library, chat shell
- Shadcn Space · 401+ shadcn blocks, 393+ component variants and 10 site templates, freemium
- shadcn Studio · 800+ shadcn blocks, 16 templates, themes, MCP server and Figma-to-code
- shadcn-templ · shadcn/ui ported to Go and templ: 52 components, 27 blocks, its own CLI
- Shadcn UI Blocks · 200+ free copy-paste marketing and app blocks built on shadcn/ui
- Shark UI · 86 shadcn-style components built on Ark UI, installed through the shadcn CLI
- Subframe · Visual editor that emits React + Tailwind + Radix code, with an MCP server
- termcn · Terminal UI components for React, installed with the shadcn CLI, on Ink and OpenTUI
- Toolcraft · MIT React starter for canvas design tools, with agent docs baked in
- Tremor · 40 copy-paste React chart and dashboard components, plus 300+ free blocks
- Watermelon UI · MIT shadcn registry: 131 animated components, 187 page blocks, 30 base primitives
- BoardUI · React 19 + Tailwind v4 design system for dashboards and agent UIs — 57 components, 47 of them free through a shadcn-schema registry
- FigComponents · 1,619 copy-paste Figma components, 1,002 of them free, CC BY 4.0
- hue (hueapp.io) · Landing site and live demo for the hue design-system skill
- Park UI · 59 styled Ark UI components delivered by CLI, themed with Panda CSS
- Preline UI · Free Tailwind library with 640+ examples, 204 blocks and documented plugin wiring
- shadcn-glass-ui · Glassmorphism component set for React that installs through the shadcn CLI
- Shoogle · Search engine across 277 shadcn registries, with an MCP and CLI namespace
- Soft Club UI · 118 Radix-based React components in a late-90s dark-glass aesthetic
- TailwindAdmin · shadcn/ui admin dashboard template in React, Next.js, Vue, Angular and TanStack
- The Gridcn · Tron-styled shadcn registry: 140 items, six themes, HUD and 3D grid components
- Untitled UI on GitHub · The MIT source repos behind Untitled UI: components, icons, and 3 starter kits