osm2pgsql
Import OpenStreetMap data into a PostgreSQL/PostGIS database
osm2pgsql is a powerful tool for importing OpenStreetMap (OSM) data into a PostgreSQL/PostGIS database, enabling geographic data analysis and map rendering. It supports various rendering schemas like "flex" and "lua" to customize how data is loaded and indexed. Designed for performance and scalability, osm2pgsql is widely used in map tile generation pipelines and by GIS professionals handling large-scale spatial datasets.