design-system

Arc Library: free, open source React components with calm motion. Copy the code or install with the shadcn CLI.

Learn how to design large-scale systems. Prep for the system design interview. Includes Anki flashcards.

List of 67 awesome DESIGN.md and SKILL.md design skill files for agentic tools like Claude Design, Google Stitch, Codex, Cursor, and other AI tools

Brands DESIGN.md library

An agent skill for building premium, immersive, scroll-driven websites. Works with Codex, Claude Code, and other coding agents. Also available as a Claude Code plugin.

Taste + impeccable in one Claude Code / Codex skill, plus a gate that checks the page in a real browser. 29.2 to 2.2 design flaws a page by impeccable's own detector. MIT.

Cross-platform UI/UX design reviewer based on Apple HIG. Works with Flutter, Tauri, Electron, React Native. Compatible with Claude Code, Cursor, Codex.

Awesome Claude Design: 68 ready-to-use design system inspirations in DESIGN.md format. Drop one in, scaffold a full UI in one shot.

A component library for GPUI, in light and dark. Every component runs live in the browser.

Argon - Design System for Bootstrap 4 by Creative Tim

Learn how to design large-scale systems. Prep for the system design interview.

55 framework-portable UI components for Astro, React, and Vue. Install accessible Tailwind CSS components as source you own, backed by a shared framework-neutral Runtime.