Sources and licences
igeography is built from open data and open-source software. Thank you to everyone behind them.
Data
- Natural Earth
- Borders and coastlines, public domain. We simplify the shapes for phones and add Kosovo from the default layer to the Ukraine point-of-view layer. Natural Earth terms of use
- Wikidata
- Capital cities and alternative country names, CC0. We review every list and add or remove names by hand. Wikidata licensing
- US Census Bureau, through us-atlas
- US state boundaries from the Census Bureau, prepared as TopoJSON by the us-atlas project (ISC licence). us-atlas · us-atlas licence
- GeoNames
- City names and positions for the Antipode Map, CC BY 4.0. We keep cities of at least 100,000 people and every national capital, and assign each city to a country from our own borders. GeoNames · CC BY 4.0 licence
Flags and fonts
- flag-icons
- Flag images by Panayiotis Lipiridis and contributors, MIT licence. We rename the files so a file name never gives away the answer. flag-icons · MIT licence text
- Fraunces and Lexend
- The two typefaces of this site, both under the SIL Open Font License 1.1. Fraunces licence · Lexend licence
Software
The pages are built with Astro and Tailwind CSS, and the games run on Preact, all under the MIT licence.