Lexical is an extensible text editor framework that provides excellent reliability, accessibility and performance.
Dark Reader Chrome and Firefox extension
Radix Primitives is an open-source UI component library for building high-quality, accessible design systems and web apps. Maintained by @workos.
A collection of libraries and tools that help you build adaptive, accessible, and robust user experiences.
Unstyled UI components for building accessible web apps and design systems. From the creators of Radix, Floating UI, and Material UI.
The adaptive interface system for modern web experiences.
Open source website builder and Webflow alternative. Webstudio is an advanced visual builder that connects to any headless CMS, supports all CSS properties, and can be hosted anywhere, including with us.
Toolkit with accessible components, styles, and examples for your next web app
Skeleton is an adaptive design system powered by Tailwind CSS.
Build your design system in React, Solid, Vue, Svelte or Vanilla. Powered by finite state machines
Deprecated in favour of Video.js 10; security fixes only until January 2028. UI components and hooks for building video and audio players on the web.
Cutting-edge tools powering Angular full-stack development.
A very lightweight and flexible accessible modal dialog script.
React material design - An accessible React component library built from the Material Design guidelines in Sass
Developer tool for time travel debugging and performance monitoring in React applications.
Accessible shadcn/ui components built with React, TypeScript, and Tailwind CSS. Copy-paste ready, and customizable.
Restyle any website
Cypress Documentation for the Cypress App, API, Cypress Cloud, UI Coverage and Cypress Accessibility.
Website and documentation for Radix.
Accessibility Insights for Web
Website specification — HTML, accessibility, security, SEO, agent-readiness. Platform-agnostic, sourced, MIT.
The definitive tree component for the Web
AgnosticUI Local (v2) is a CLI-based UI component library that copies components directly into your project. Works with AI tools, agent-driven UIs, and prompt-ready workflows.
Functional, accessible, and powerful form components for Svelte. 🫰
55 framework-portable UI components for Astro, React Vue, and Svelte. Install accessible Tailwind CSS components as source you own, backed by a shared framework-neutral Runtime.
0️⃣ Composable UI engine for Vue. Build complex interfaces with reusable state, logic, and primitives—without being locked into components or styles.
Headless UI for SolidJS
A comprehensive SEO audit command-line tool with 332 audit rules across 20 categories. Analyze any website for SEO best practices, Core Web Vitals, security headers, structured data, accessibility, and more.
Headless, composable primitives for building accessible UI components in Angular.
Screen reader automation library for testing.
Deterministic UI audits for shadcn apps, built for your terminal, your CI, and your AI agent.
A simple, accessible and customisable react media player for Video, Audio, YouTube and Vimeo
Visual regression testing and accessibility testing
One stop website for your Handouts, Academic Resources, Practice School Queries, Course Reviews, Course Prerequisites, etc. This facilitates the accessibility of course handouts, notes, resources, and contains a course review system, notes sharing system. @thenicekat
DeepSeek Harness (DSH) plugin: a live iOS Simulator — and a USB-connected iPhone — inside the conversation. 22 agent tools for booting, building, driving the UI by accessibility identity, OCR text or list rows, plus a streaming sidebar panel you can tap and drag on.
Accessible React loading states for generative interfaces: streamed text, inline activity, and image generation.
DeepSeek Harness plugin for Android — build, run, and interact with a live emulator or USB device stream inside a conversation, driven entirely through adb.
Global-readiness toolkit for international forms across HTML, JSX, Vue, Svelte, and CI.
为 DeepSeek Harness 提供电脑控制插件:新鲜 Accessibility 观测、过期状态拒绝、作用域权限与安全输入(目前支持macos)|Accessibility-first macOS Computer Use bundle for DSH with fresh observations, stale-state rejection, scoped permissions, and safe input.
Describe a motion feeling, compare candidates, tune a recipe, and copy the implementation.
RYUX gives AI agents the design intelligence to understand product context, make intentional design decisions, and evaluate what they create.
A puffy, pastel React UI kit distributed as a shadcn-style registry, built with Tailwind CSS and Radix UI.
Accessible, unstyled coach mark component in React.
ShardsUI. Unstyled, accessible UI components for Svelte
Voice-first Mac assistant that uses the computer for you. GPT-Live-1 voice behind a wake word; brains: Codex, Claude Code, an API or a local model; Swift hands in parallel threads; alarms and automations that fire while it sleeps; a notch island control surface; a Console into every coding-agent session; memory. Rewrites itself, with your yes.
Open-source, local-first design & brand toolkit. Build a brand once, then get logo variants, mockups, social assets, a brand book PDF and design tokens. Plus fonts, colors, icons, SVG & accessibility tools. No login, no backend.