Tabs

1. 01Labels — Name of each tab
2. 02Content area — Where the content for the active tab is displayed
3. 03Style — How the active tab and inactive tabs differentiate visually, as well as the tab container overall
4. 04Item order — Consider the arrangement of tabs to be ordered by popularity or familiarity
5. 05States — Default, active, hover are the key states

Checks from checklist.design, MIT.

• ARIA Authoring Practices Guide · W3C's 30 canonical widget patterns with keyboard maps and working HTML examplesS
• Ark UI · 49 headless components with one API across React, Vue, Solid and SvelteS
• assistant-ui · React chat primitives and shadcn-installable UI for LLM apps, copilots, and agentsS
• Astryx · Meta's open-source React + StyleX design system, 150+ components and 42 templatesS
• Chakra UI · 114 accessible React components with a token-driven styling systemS
• Kumo · Cloudflare's production React library: 44 components on Base UI + Tailwind v4, MITS
• The Component Gallery · 60 UI components cross-referenced against 95 real design systemsS
• Coss UI · Cal.com's design system: 60 Base UI primitives shipped as a shadcn registryS
• daisyUI · 68 pure-CSS Tailwind components as semantic class names, MIT, with 35 built-in themesS
• GPUI Component · 60+ Rust desktop UI components for GPUI, with a 200K-line code editor and chartsS
• Headless UI · 16 unstyled, fully accessible React and Vue primitives from Tailwind LabsS
• HeroUI (formerly NextUI) · 71 React components on React Aria + Tailwind v4, with an MCP serverS
• HyperFrames · Apache-2.0 framework that renders HTML compositions to deterministic MP4, built for agentsS
• Intent UI · 80+ React Aria components with real ARIA semantics, MIT and copy-pasteS
• Mantine · 150+ styled React components, 70+ hooks, CSS modules, no runtime CSS-in-JSS
• Material Design 3 · Google's open design system: 39 components, tokens, and Compose/Web codeS
• MUI · React component suite: Material UI, MUI X data grid, charts and date pickersS
• NameThatUI · Visual dictionary that maps 76 web and macOS UI elements to their real names and codeS
• Neobrutalism (ex RetroUI) · Neo-brutalist shadcn registry: 60 free components, 158 Pro blocks, 6 templatesS
• OpenTUI · React, Solid and TypeScript renderers for terminal UIs, on a native Zig coreS
• Radix UI · Unstyled accessible React primitives, plus Themes, Colors and IconsS
• React Aria · Adobe's unstyled React primitives with ARIA, keyboard, i18n and touch behavior built inS
• remocn · 282 Remotion components for product-demo video, installed by the shadcn CLIS
• shadcn/ui · 64 copy-in React components on Radix + Tailwind, installed by CLIS
• shadcn/ui (GitHub) · Source monorepo for shadcn/ui: components, CLI, registry schema, skillsS
• UI TripleD · 282-item shadcn registry of motion components, sections and full pagesS
• Untitled UI · Figma UI kit plus React Aria + Tailwind v4 component library with an MCP serverS
• UX Patterns for Devs · 92 UX patterns with accessibility rules, an MCP server and llms.txtS
• 8bitcn/ui · Retro pixel-art restyle of shadcn/ui: 57 components and 44 blocksA
• Aceternity UI · 132 motion-heavy React sections; 329 registry items; 17 paid templatesA
• Aceternity UI on 21st.dev · All 84 Aceternity components browsable side by side with copy-prompt and CLI installA
• AlignUI · React + Tailwind design system with a code-synced Figma libraryA
• Annnimate · 80 copy-paste GSAP animation components for React, Vue and vanillaA
• Ant Design · 73-component React library and design language for enterprise back-office appsA
• Appica UI · 70 React components on Base UI and Tailwind v4, with an llms.txt and markdown docsA
• Atlassian Design System · Atlaskit: 59 Apache-2.0 React components behind Jira, Confluence and BitbucketA
• BMW DESIGN.md · A 544-line DESIGN.md token spec of bmw.com you drop in for a coding agent to followA
• Base UI · 37 unstyled React components from the Radix, Floating UI and MUI teamsA
• beUI · 76 React motion components and AI agent UI, installed through a shadcn registryA
• beUI · 106-item Motion + Tailwind registry for React, shadcn-compatibleA
• Carbon Design System · IBM's open-source design system: 44 documented components across five frameworksA
• Code Blocks · shadcn registry of 30 items for syntax-highlighted code blocksA
• coss ui · Cal.com's Base UI + Tailwind v4 registry: 56 primitives and 500 particle variantsA
• Cult UI · 82 free design-engineer components plus 10 paid full-stack AI startersA
• Design System Checklist · 232-item open-source checklist for design language, foundations and componentsA
• Design Systems Surf · Database of ~90 public design systems, cross-cut by component and by foundation topicA
• ElevenLabs UI · First-party shadcn registry for voice agents: orbs, waveforms, transcriptsA
• Extend UI · shadcn registry of PDF, DOCX, XLSX and CSV viewers with bounding-box citationsA
• Flowbite · 56+ MIT Tailwind components with vanilla-JS behaviour, plus a paid 450+ block libraryA
• Fluent 2 · Microsoft's design system: 47 web components plus Windows, iOS and Android kitsA
• Fluid Functionalism · shadcn registry of 23 components where motion carries state, not decorationA
• gluestack-ui · CLI-installed React Native component library built on NativeWind and Tailwind v4A
• HextaUI · 103 shadcn registry items: primitives plus AI, auth, billing, settings and team blocksA
• hue · Agent skill that turns any brand URL or screenshot into a design systemA
• HyperFrames Docs & Catalog · 515-page HyperFrames manual with a 375-block motion catalog and an llms.txt indexA
• HyperUI · 537 free MIT Tailwind blocks across application, marketing and neobrutalism setsA
• Inclusive Components · Heydon Pickering's 11 deep essays on building components that stay accessibleA
• interior.dev · 54 MIT micro-interaction components for React, installable as a shadcn registryA
• Kinetics · 153 spring-physics micro-interactions with copy-paste CSS and ReactA
• Kokonut UI · 45 animated shadcn-CLI components for landing pages, plus 7 paid templatesA
• Navbar Gallery · 496 screenshotted site navbars, filtered by 10 nav types and 100+ stylesA
• Neobrutalism Components · 48 shadcn/ui components restyled as neobrutalism, plus 4 free Tailwind templatesA
• Open UI · W3C Community Group research and specs for native, styleable HTML controlsA
• OpenUI · MIT generative-UI framework: streaming UI language, component library, chat shellA
• Osmo · Paid vault of 231 GSAP/Webflow interaction recipes plus a 100-button packA
• Sections.wtf · ~275 landing-page sections from real sites, sorted into 22 section typesA
• Shadcn Space · 401+ shadcn blocks, 393+ component variants and 10 site templates, freemiumA
• shadcn Studio · 800+ shadcn blocks, 16 templates, themes, MCP server and Figma-to-codeA
• shadcn-templ · shadcn/ui ported to Go and templ: 52 components, 27 blocks, its own CLIA
• Shadcn UI Blocks · 200+ free copy-paste marketing and app blocks built on shadcn/uiA
• Shark UI · 86 shadcn-style components built on Ark UI, installed through the shadcn CLIA
• SmoothUI · 130 animated React components including 33 text effects and 16 shader transitionsA
• Subframe · Visual editor that emits React + Tailwind + Radix code, with an MCP serverA
• Tamagui · Universal React styling engine, optimizing compiler and ~48 components for web and nativeA
• termcn · Terminal UI components for React, installed with the shadcn CLI, on Ink and OpenTUIA
• Toolcraft · MIT React starter for canvas design tools, with agent docs baked inA
• Transitions.dev · 35 essential web-app transitions, packaged as an agent skillA
• Tremor · 40 copy-paste React chart and dashboard components, plus 300+ free blocksA
• unlumen UI · Freemium shadcn registry of Motion-driven React componentsA
• Watermelon UI · MIT shadcn registry: 131 animated components, 187 page blocks, 30 base primitivesA
• Watermelon UI Dashboards · Nine full React admin dashboards installed through the shadcn CLI from a public registryA
• Animate UI · 73 motion-first React components shipped as a shadcn registryB
• BoardUI · React 19 + Tailwind v4 design system for dashboards and agent UIs — 57 components, 47 of them free through a shadcn-schema registryB
• Flowponent · 1,091 copy-paste Webflow cloneable sections, 335 of them freeB
• hue (hueapp.io) · Landing site and live demo for the hue design-system skillB
• Luxe · 17 copy-paste React components on Radix and Tailwind v4, with its own CLIB
• Mockdown · Free browser ASCII wireframe editor that exports plain-text mockups for agentsB
• Page Flows · Screen recordings of real user flows from shipped iOS, Android, web, and email appsB
• Park UI · 59 styled Ark UI components delivered by CLI, themed with Panda CSSB
• Preline UI · Free Tailwind library with 640+ examples, 204 blocks and documented plugin wiringB
• Primer · GitHub's design system: 62 React components, Octicons and design tokensB
• React Native Components · 64 copy-paste React Native screen components, $59.99 once for lifetime accessB
• Reverse UI · 68 animated React components built on Framer Motion, sold as a lifetime licenceB
• shadcn-glass-ui · Glassmorphism component set for React that installs through the shadcn CLIB
• Shoogle · Search engine across 277 shadcn registries, with an MCP and CLI namespaceB
• Soft Club UI · 118 Radix-based React components in a late-90s dark-glass aestheticB
• Son Daven · Webflow site for a Carpathian resort hotel: scroll reveals, drag sliders, unit tabsB
• TailwindAdmin · shadcn/ui admin dashboard template in React, Next.js, Vue, Angular and TanStackB
• Tark UI · One-page showcase of 41 Ark UI components with 333 Tailwind-styled examplesB
• The Gridcn · Tron-styled shadcn registry: 140 items, six themes, HUD and 3D grid componentsB
• Untitled UI on GitHub · The MIT source repos behind Untitled UI: components, icons, and 3 starter kitsB
• useLayouts · 26 Motion-driven micro-interaction components installable via the shadcn CLIB
• Interaction Kit · 12 copy-ready React micro-interaction demos by Armond SchneiderC
• Pando (Pluralsight Design System) · Pluralsight's design system documented in zeroheight; public code frozen at v0.7.1C
• Shadix UI · 14 motion-heavy shadcn add-ons: signature pad, datetime picker, reorder listC