Guidance for distinctive, intentional UI design, typography, visual direction, and non-template-like product interfaces.

Design and implementation guidance for distinctive landing pages, portfolios, product demos, and purposeful redesigns.

Use Playwright to interact with and test local web applications, capture screenshots, debug UI behavior, and inspect browser logs.

The open source coding agent.

Create original visual art, posters, PNG assets, and PDF documents through a clear design philosophy.

🎨 Local-first, open-source Claude Design alternative. 🖥️ Native desktop app. ⚡ 259+ Skills · ✨ 142+ Design Systems 🖼️ Web · desktop · mobile prototypes · slides · images · videos · HyperFrames 📦 Sandboxed preview · HTML/PDF/PPTX/MP4 export 🤖 Claude Code / OpenClaw / Codex / Cursor / OpenCode / Qwen / Copilot / Hermes / Kimi & 17+ CLIs.

Apply Anthropic official brand colors, typography, and visual standards to appropriate Anthropic-related artifacts.

Open Source Alternative to Vercel, Netlify and Heroku.

Open-source LLM-friendly web crawler and scraper

freeCodeCamp.org's open-source codebase and curriculum. Learn math, programming, and computer science for free.

🙃 A delightful community-driven (with 2,500+ contributors) framework for managing your zsh configuration. Includes 300+ optional plugins (rails, git, macOS, hub, docker, homebrew, node, php, python, etc), 140+ themes to spice up your morning, and an auto-update tool that makes it easy to keep up with the latest updates from the community.

An Open Source Machine Learning Framework for Everyone