PUBLIC MARKS from Spone with tag spatial

GADM is a spatial database of the location of the world's administrative areas (or adminstrative boundaries) for use in GIS and similar software.

SQLite is a popular DBMS, simple, robust, easy to use and really lightweight each SQLite database is simply a file; you can freely copy it, compress it, send it on a LAN or WEB with no complication at all They are also portables; the same database file will work on Windows, Linux, MacOs etc the SpatiaLite extension enables SQLite to support spatial data too [aka GEOMETRY], in a way conformant to OpenGis specifications