Source: https://seerepo.com/r/cosscom/ui/built Markdown source: https://seerepo.com/r/cosscom/ui/built.md Description: ui is a TypeScript repo built with React, Next.js, and fumadocs-core. It makes its content with hast-util-to-jsx-runtime, shiki, and @shikijs/transformers. # What is ui built with? ui is a TypeScript repo built with React, Next.js, and fumadocs-core. It makes its content with hast-util-to-jsx-runtime, shiki, and @shikijs/transformers, validates its data with Zod, and is tested with @happy-dom/global-registrator. It has 160,398 written lines, with 9 test files. Read on November 13, 2026, at commit fe6ffa8. Repository: https://github.com/cosscom/ui ## Frontend (apps/origin) ### The base - **[React](https://seerepo.com/uses/react)**: 362 files · [in apps/ui/package.json](https://github.com/cosscom/ui/blob/fe6ffa81f434a4afe1c01564c13bb237564c42e2/apps/ui/package.json) - **[Next.js](https://seerepo.com/uses/nextjs)**: 12 files · [in apps/ui/package.json](https://github.com/cosscom/ui/blob/fe6ffa81f434a4afe1c01564c13bb237564c42e2/apps/ui/package.json) ### Styles - **[Tailwind CSS](https://seerepo.com/uses/tailwind-css)** - **[class-variance-authority](https://seerepo.com/uses/class-variance-authority)**: 6 files - **[next-themes](https://seerepo.com/uses/next-themes)**: 3 files - **[tailwind-merge](https://seerepo.com/uses/tailwind-merge)**: 2 files ### Interface - **[Radix UI](https://seerepo.com/uses/radix-ui)**: 41 files - **[react-aria-components](https://seerepo.com/uses/react-aria-components)**: 18 files - **headless-tree**: 16 files - **[react-day-picker](https://seerepo.com/uses/react-day-picker)**: 13 files - **[TanStack](https://seerepo.com/uses/tanstack)**: 9 files - **react-payment-inputs**: 6 files - **shadcn**: 6 files - **[dnd-kit](https://seerepo.com/uses/dnd-kit)**: 5 files - **[input-otp](https://seerepo.com/uses/input-otp)**: 4 files - **[sonner](https://seerepo.com/uses/sonner)**: 4 files - **[cmdk](https://seerepo.com/uses/cmdk)**: 3 files - **emblor**: 2 files - **[react-aria](https://seerepo.com/uses/react-aria)**: 2 files - **use-mask-input**: 2 files - **react-phone-number-input**: 1 file - **[react-resizable-panels](https://seerepo.com/uses/react-resizable-panels)**: 1 file ### Icons - **[Lucide](https://seerepo.com/uses/lucide)**: 289 files - **[@remixicon/react](https://seerepo.com/uses/remixicon-react)**: 21 files ## Support (apps/origin) ### Content - **[hast-util-to-jsx-runtime](https://seerepo.com/uses/hast-util-to-jsx-runtime)**: 1 file - **[shiki](https://seerepo.com/uses/shiki)**: 1 file ### Validation - **[Zod](https://seerepo.com/uses/zod)**: 1 file ### Other - **date-fns**: 30 files - **@internationalized/date**: 5 files - **clsx**: 2 files - **jotai**: 1 file ## Frontend (apps/ui) ### The base - **[React](https://seerepo.com/uses/react)**: 260 files · [in apps/ui/package.json](https://github.com/cosscom/ui/blob/fe6ffa81f434a4afe1c01564c13bb237564c42e2/apps/ui/package.json) - **[Next.js](https://seerepo.com/uses/nextjs)**: 31 files · [in apps/ui/package.json](https://github.com/cosscom/ui/blob/fe6ffa81f434a4afe1c01564c13bb237564c42e2/apps/ui/package.json) ### Styles - **[Tailwind CSS](https://seerepo.com/uses/tailwind-css)** - **[class-variance-authority](https://seerepo.com/uses/class-variance-authority)**: 10 files - **[tailwind-merge](https://seerepo.com/uses/tailwind-merge)**: 2 files ### Interface - **[Base UI](https://seerepo.com/uses/base-ui)**: 56 files - **@daypicker/react**: 15 files - **shadcn**: 9 files - **[motion](https://seerepo.com/uses/motion)**: 5 files - **[TanStack](https://seerepo.com/uses/tanstack)**: 4 files ### Icons - **[Lucide](https://seerepo.com/uses/lucide)**: 191 files - **[hugeicons](https://seerepo.com/uses/hugeicons)**: 8 files - **[@remixicon/react](https://seerepo.com/uses/remixicon-react)**: 3 files ## Support (apps/ui) ### The base - **fumadocs-core**: 1 file ### Validation - **[Zod](https://seerepo.com/uses/zod)**: 2 files ### Tools - **ts-morph**: 1 file ### Other - **date-fns**: 22 files - **clsx**: 2 files - **jotai**: 1 file ## Frontend (packages/ui) ### The base - **[React](https://seerepo.com/uses/react)**: 89 files · [in apps/ui/package.json](https://github.com/cosscom/ui/blob/fe6ffa81f434a4afe1c01564c13bb237564c42e2/apps/ui/package.json) - **[Next.js](https://seerepo.com/uses/nextjs)**: 6 files · [in apps/ui/package.json](https://github.com/cosscom/ui/blob/fe6ffa81f434a4afe1c01564c13bb237564c42e2/apps/ui/package.json) ### Styles - **[Tailwind CSS](https://seerepo.com/uses/tailwind-css)** - **[class-variance-authority](https://seerepo.com/uses/class-variance-authority)**: 10 files - **[next-themes](https://seerepo.com/uses/next-themes)**: 2 files - **[tailwind-merge](https://seerepo.com/uses/tailwind-merge)**: 1 file ### Interface - **[Base UI](https://seerepo.com/uses/base-ui)**: 56 files - **[motion](https://seerepo.com/uses/motion)**: 4 files - **@daypicker/react**: 1 file ### Icons - **[Lucide](https://seerepo.com/uses/lucide)**: 25 files - **[hugeicons](https://seerepo.com/uses/hugeicons)**: 5 files ## Support (packages/ui) ### Content - **@shikijs/transformers**: 1 file - **[shiki](https://seerepo.com/uses/shiki)**: 1 file ### Testing - **@happy-dom/global-registrator**: 1 file ### Other - **clsx**: 1 file ## Other repos with a similar stack - [shadcn-ui/ui](https://seerepo.com/r/shadcn-ui/ui/built): React, Next.js, fumadocs-core, Tailwind CSS, class-variance-authority, next-themes, Radix UI, react-aria-components, react-day-picker, TanStack, dnd-kit, input-otp, sonner, cmdk, react-resizable-panels, Lucide, @remixicon/react, shiki, Zod, Base UI, motion, hugeicons · [Compare](https://seerepo.com/compare/cosscom/ui/vs/shadcn-ui/ui) - [multica-ai/multica](https://seerepo.com/r/multica-ai/multica/built): React, Next.js, fumadocs-core, Tailwind CSS, class-variance-authority, next-themes, tailwind-merge, react-day-picker, TanStack, dnd-kit, input-otp, sonner, cmdk, react-resizable-panels, shiki, Zod, Base UI, motion · [Compare](https://seerepo.com/compare/cosscom/ui/vs/multica-ai/multica) - [supabase/supabase](https://seerepo.com/r/supabase/supabase/built): React, Next.js, Tailwind CSS, class-variance-authority, next-themes, Radix UI, react-day-picker, shadcn, dnd-kit, input-otp, sonner, cmdk, react-resizable-panels, Lucide, shiki, Zod, motion · [Compare](https://seerepo.com/compare/cosscom/ui/vs/supabase/supabase) - [novuhq/novu](https://seerepo.com/r/novuhq/novu/built): React, Next.js, Tailwind CSS, class-variance-authority, next-themes, tailwind-merge, Radix UI, react-day-picker, sonner, cmdk, react-phone-number-input, react-resizable-panels, Lucide, Zod, Base UI, motion · [Compare](https://seerepo.com/compare/cosscom/ui/vs/novuhq/novu) - [QuantumNous/new-api](https://seerepo.com/r/QuantumNous/new-api/built): React, Tailwind CSS, class-variance-authority, tailwind-merge, react-day-picker, input-otp, sonner, cmdk, react-resizable-panels, Lucide, shiki, Zod, Base UI, motion, hugeicons · [Compare](https://seerepo.com/compare/cosscom/ui/vs/QuantumNous/new-api) - [THU-MAIC/OpenMAIC](https://seerepo.com/r/THU-MAIC/OpenMAIC/built): React, Next.js, Tailwind CSS, class-variance-authority, next-themes, tailwind-merge, Radix UI, sonner, cmdk, react-resizable-panels, Lucide, shiki, Zod, Base UI, motion · [Compare](https://seerepo.com/compare/cosscom/ui/vs/THU-MAIC/OpenMAIC) ## Frequently asked questions ### What language is ui written in? ui is written in TypeScript, with 160,398 written lines. ### What framework does ui use? ui is built with React, Next.js, and fumadocs-core. The proof: [in apps/ui/package.json](https://github.com/cosscom/ui/blob/fe6ffa81f434a4afe1c01564c13bb237564c42e2/apps/ui/package.json) ### Does ui have tests? Yes. ui has 9 test files and is tested with @happy-dom/global-registrator. ### Which repos have a stack like ui's? The ones that share most of its stack: shadcn-ui/ui, multica-ai/multica, and supabase/supabase. ## What is your repo built with? Any public repo, with no account: https://seerepo.com/r/owner/repo/built, with the owner and name it has on GitHub.