Imports OpenStreetMap data into PostgreSQL/PostGIS databases.
Imposm 2 is the current stable version of Imposm. It is mature, flexible and many cases faster then osm2pgsql.Documentation
Imposm 3 is written in Go and it is a complete rewrite of the previous Python implementation. It supports updates from diff files and should be much faster than Imposm 2 and osm2pgsql.
Imposm 3 is not yet released, but you can follow the development on GitHub.Documentation Follow on Github