Gem Family:

• worlddb - open world database (world.db) command line tool
• worlddb-models - world.db schema 'n' models for easy (re)use
• worlddb-compat - world.db addon for backward compatibility (compat)

More

• worldlite - lightweight public domain country data (all data included as good ol' ruby code - no database, no dependencies, no copyright)

• world.db - free open public domain countries, regions, cities n more data for use in any (programming) language

The worlddb scripts are dedicated to the public domain. Use it as you please with no restrictions whatsoever.

Send them along to the Open Mundi (world.db) Database Forum/Mailing List. Thanks!