OpenMapTiles provides open-source tools for generating and styling vector map tiles from OpenStreetMap data. It includes an open vector tile schema, tools for generating MBTiles containing vector tiles, and prepared styles. Users can choose from various servers and clients to host and use the tiles. The tools are open-source and customizable, allowing anyone to generate tiles for a specific area or modify existing styles and layers. Hosted tile services are also available from OpenMapTiles.com.