This map uses the Thunderforest Landscape tiles, provided and hosted by Thunderforest.
Advantages:
- Provides outdoor map style with topographic contours and shading.
- World-side coverage.
- Free tier available providing 150,000 tile requests per month.
Disadvantages:
- Raster tiles.
- Potential missing feature to limit use of API key to just your domain.
This demo is using Maplibre to display the map.