GeoSeek is built entirely on open data. Every fact in the knowledge base records the source it came from and the licence it came under.
| Domain | Source | Licence |
|---|---|---|
| Country geometry | Natural Earth, admin-0 1:50m | Public domain |
| Country facts | mledoze/countries | ODbL 1.0 |
| Languages and classification | WALS — The World Atlas of Language Structures | CC BY 4.0 |
| Language identifiers | Glottolog | CC BY 4.0 |
| Flags | lipis/flag-icons | MIT |
Word samples used as puzzle prompts are curated from Wiktionary (CC BY-SA 3.0). Boundaries shown on the map follow Natural Earth and do not represent any position on disputed territory.