Best open-source Frontend & UI projects

An Agent Skill that lets Codex, Claude Code or Cursor generate an orbitable Three.js architecture scene that assembles itself brick by brick.

Animated ascii art pieces for React, Next.js, Astro, plain HTML tags, SVG and the terminal, with 240 ready-made pieces.

A WebGL reimplementation of the classic Milkdrop music visualizer that renders Milkdrop presets in the browser using the Web Audio API.

An Agent Skill that converts a video into an optimized WebP frame sequence and builds a scroll-controlled canvas website around it.

An open library of about 7,600 brand and cloud SVG icons, available via npm, CDN, CLI, and an MCP server for AI editors.

A React and Next.js cursor animation library offering reusable cursor-follow effects, built on Tailwind CSS and motion.

WebGPU shader effects packaged as drop-in components for React, Vue, Svelte, Solid and plain JavaScript.

An agent skill for Claude Code and Codex that turns AI-generated motion into web animations driven by scroll, mouse, drag, touch or device orientation.