DavidHDev / react-bits

The largest open-source library of animated, interactive, and customizable React & Next.js components for building standout web products and experiences. Built for humans and AI agents.

shaongitbd / doory

Open source canva alternative

mrdoob / three.js

JavaScript 3D Library.

Manavarya09 / design-extract

Extract any website's complete design system with one command. DTCG tokens, semantic+primitive+composite, MCP server for Claude Code/Cursor/Windsurf, multi-platform emitters (iOS SwiftUI, Android Compose, Flutter, WordPress), Tailwind v4, Figma variables, shadcn/ui, CSS health audit, WCAG remediation, Chrome extension. MIT, Playwright, Node 20+.

lucasmarkes / hairline

Isometric line figures that answer the pointer. For React and for anything with a DOM.

flutter / flutter

Flutter makes it easy and fast to build beautiful apps for mobile and beyond

juliangarnier / anime

JavaScript animation engine

zhangjing361 / wengao-box

文稿盒：将 Markdown 一键转换为可编辑的 Word 文档，支持中文排版，浏览器本地处理。

sveltejs / svelte

web development for the rest of us

solidjs / solid

A declarative, efficient, and flexible JavaScript library for building user interfaces.

CyberTimon / RapidRAW

A beautiful, non-destructive, and GPU-accelerated RAW image editor built with performance in mind.

wailsapp / wails

Create beautiful applications using Go

hexmora / fluxdown

Streaming Markdown renderer for AI apps. React, Vue, Svelte, Angular, React Native, React Lynx, Vue Lynx, SolidJS, Taro, and Uni App Vapor components with a shared reactive core.

flohoeller / affectui

UI for AI agents. React components for what agents do – agent trees, tool calls, traces, handoffs and approvals – and for the rest of your app. One file each, install with shadcn or via MCP. Free and open source.

vivaui / viva

A Go-first, GPU-native desktop framework. No WebView, no bundled runtime.

ueberdosis / tiptap

The headless rich text editor framework for web artisans.

d3 / d3

Bring data to life with SVG, Canvas and HTML. :bar_chart::chart_with_upwards_trend::tada:

khromov / gpuix-svelte

Build native desktop apps for Mac, Windows and Linux with Svelte and GPUI

AvaloniaUI / Avalonia

Develop Desktop, Embedded, Mobile and WebAssembly apps with C# and XAML. The future of .NET UI

mrdoob / slop-newyork

A browser-based New York City simulation of Manhattan, explorable on foot, by car, bicycle, or helicopter, built with three.js.

vuejs / core

🖖 Vue.js is a progressive, incrementally-adoptable JavaScript framework for building UI on the web.

quirekit / quirekit

A family of MIT-licensed TypeScript document editing packages: a Tiptap-compatible ProseMirror editor core, a Markdown source editor, and diagram and formula editors.

GeorgeGcs / ArkGenie

HarmonyOS ArkUI 开源组件套件，提供 AI 对话、流式 SSE、Markdown 渲染和 A2UI 生成式 UI 能力。

lestercorderomurillo / macos-tahoe-liquid-kde

MacOS Tahoe Liquid Glass Theme for KDE Plasma 6.7/6.8+

jdan / 98.css

A design system for building faithful recreations of old UIs

adityatelange / hugo-PaperMod

A fast, clean, responsive Hugo theme.

unoplatform / uno

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

adobe / adobe.github.com

Adobe central hub for open source

primefaces / primevue

Next Generation Vue UI Component Library

MudBlazor / MudBlazor

Blazor Component Library based on Material Design principles. Do more with Blazor, utilizing CSS and keeping JavaScript to a bare minimum.

SharePoint / sp-dev-docs

SharePoint Developer Documentation

themesberg / flowbite-svelte

Official Svelte components built for Flowbite and Tailwind CSS

jothepro / doxygen-awesome-css

Custom CSS theme for doxygen html-documentation with lots of customization parameters.