Country directory: derived fields from World Countries by mledoze and contributors.
https://github.com/mledoze/countries
Licensed under Open Data Commons Open Database License (ODbL) 1.0.
https://opendatacommons.org/licenses/odbl/1-0/
The modified directory is available at /data/country-directory.json under the same license.

World map geometry: world-atlas 2, derived from Natural Earth public-domain data.
https://github.com/topojson/world-atlas
https://www.naturalearthdata.com/about/terms-of-use/
The equirectangular SVG path data is available at /art/world-map.json.

World Atlas 2.0.2 package notice (ISC):
Copyright 2013-2019 Michael Bostock

Permission to use, copy, modify, and/or distribute this software for any purpose
with or without fee is hereby granted, provided that the above copyright notice
and this permission notice appear in all copies.

THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF
THIS SOFTWARE.