React and Next.js performance guidance for writing, reviewing, and refactoring production UI code.

Universal SEO skill for Claude Code. 25 sub-skills + 18 sub-agents covering technical SEO, E-E-A-T, schema, GEO/AEO, backlinks, local SEO, maps intelligence, semantic clustering, e-commerce SEO, international SEO, Google APIs, and PDF/Excel reporting. Optional DataForSEO, Firecrawl, and Banana extensions.

An open-source JavaScript library for world-class 3D globes and maps :earth_americas:

🍃 Organic Maps is a free Android & iOS offline maps app for more than 6M travelers, tourists, hikers, and cyclists. It uses crowd-sourced OpenStreetMap data and is developed with love by the community. No ads, no tracking, no data collection, no crapware. Please donate to support the development!

Python Data. Leaflet.js Maps.

Highly customizable, feature-packed calendar widget for Flutter

🌟100+ 原创 LLM / RL 原理图📚，《大模型算法》作者巨献！💥（100+ LLM/RL Algorithm Maps ）

An open source icons library with 1600+ icons, supporting React, React Native, Flutter, Vue, Figma, and Framer.

scrape data from Google Maps. Extracts data such as the name, address, phone number, website URL, rating, reviews number, latitude and longitude, reviews,email and more for each place

The open source repository for Electricity Maps data parsers that powers the world's most comprehensive electricity data platform

A comprehensive collection of 30+ Claude Code skills for cold email and outbound sales, covering strategy, infrastructure, lead sourcing, and copywriting, with a guided kickoff flow and signal playbooks.

A Flutter LLM Chat Client. Support Mobile & Desktop.