MapKit - Leaflet map kit - routing & weather, no API keys

A complete Leaflet.js starter kit that works out of the box - no API keys, no backend, no npm install. Just open index.html. Includes CartoDB Voyager basemap, OSRM turn-by-turn routing (driving, cycling, walking), Nominatim place search, and Open-Meteo live weather on map click. Custom marker system with categories and popups. Collapsible sidebar, mobile responsive. Pure vanilla JS. Every service is free and open source. Deploy to GitHub Pages or Netlify in minutes.