Native Shell is a native UI framework for iOS, Android, macOS, Windows, Linux and the web, built in Rust.
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.
Isometric line figures that answer the pointer. For React and for anything with a DOM.
Flutter makes it easy and fast to build beautiful apps for mobile and beyond
web development for the rest of us
A declarative, efficient, and flexible JavaScript library for building user interfaces.
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.
NextKde (KOS Desktop Shell) is a modern desktop shell project.It replaces or enhances parts of Plasma's native interface, providing an integrated user interface that combines a top panel, application dock, launcher, global search, notification center, and system settings.
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.
A Go-first, GPU-native desktop framework. No WebView, no bundled runtime.
Glyph: a Nothing OS rice for Hyprland + Quickshell, black, white dots and one red
Build your own AI office with Univer Office SDK. Bring editing, calculation, collaboration, and file processing into your product for people and AI agents. Built on an extensible open-source core.
Comi (可米) — a tiny 3D plush desktop companion for macOS and Windows: hops around, waves, claps her clapperboard and keeps you company while you work. Optional local status bridge for DSH / ZCode / Claude Code / Cursor / OpenCode / Codex. Zero dependencies.
The headless rich text editor framework for web artisans.
雪解けのように、半角/全角の壁を溶かす日本語入力。
Tigris — tvOS 27 style launcher for Android TV: Liquid Glass dock, Top Shelf, glass Control Center, photo screensaver. Agent-installable.
Build native desktop apps for Mac, Windows and Linux with Svelte and GPUI
dx.bi: a Netflix-style Stremio app for Windows, macOS, Linux, Android TV, Google TV and Fire TV. Also available as a Stremio Enhanced plugin.
Develop Desktop, Embedded, Mobile and WebAssembly apps with C# and XAML. The future of .NET UI
A small, ad-free home screen for Android TV and Google TV
🖖 Vue.js is a progressive, incrementally-adoptable JavaScript framework for building UI on the web.
A family of MIT-licensed TypeScript document editing packages: a Tiptap-compatible ProseMirror editor core, a Markdown source editor, and diagram and formula editors.
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。
A design system for building faithful recreations of old UIs
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.
EllesmereUI combines the most intuitive UI editor in WoW with extreme performance optimization and endless customization. Bring your UI to life like never before.
Next Generation Vue UI Component Library
Collection of individually implemented Windows Forms controls. It combines themed replacements for everyday WinForms widgets with experimental visual controls and practical specialist tools. The library targets Windows and the .NET Framework
Blazor Component Library based on Material Design principles. Do more with Blazor, utilizing CSS and keeping JavaScript to a bare minimum.
Official Svelte components built for Flowbite and Tailwind CSS
Asynchronous image downloader with cache support as a UIImageView category
.NET MAUI is the .NET Multi-platform App UI, a framework for building native device applications spanning mobile, tablet, and desktop.