Chax – Licenses and Data Sources
Last updated: November 1, 2026
The Chax mobile app and website use the third-party data sources and open-source software listed below. Their owners do not endorse or certify Chax, and all rights remain with them. How personal data is shared with service providers is described in the Privacy Policy.
Location and map data
| Source | Use in Chax | License and attribution |
|---|---|---|
| OpenStreetMap | Administrative boundaries used to find the district shown on events (via geoBoundaries) | © OpenStreetMap contributors. Data is available under the Open Database License (ODbL) 1.0. |
| geoBoundaries | Türkiye district boundary dataset (gbOpen) | Runfola, D. et al. (2020), geoBoundaries: A global database of political administrative boundaries, PLoS ONE 15(4): e0231866. geoboundaries.org |
| GeoNames | City catalogue and place names | GeoNames, Creative Commons Attribution 4.0 (CC BY 4.0) |
| Apple Maps | Map display and venue search | Subject to Apple's terms; attribution is shown on the map. |
Movie, TV, book and GIF content
| Source | Use in Chax | License and attribution |
|---|---|---|
| TMDB | Favourite movie and TV details and posters | This product uses the TMDB API but is not endorsed or certified by TMDB. themoviedb.org |
| Open Library | Favourite book details and covers | Open Library, an Internet Archive project |
| KLIPY | GIF search and display in chats | GIFs are provided by KLIPY; rights in the content remain with their owners. |
Open-source software
- Plus Jakarta Sans typeface: Copyright 2020 The Plus Jakarta Sans Project Authors, SIL Open Font License 1.1.
- Lucide icons: Copyright Lucide Icons and Contributors, ISC License.
- React Native (Meta Platforms, MIT License), Expo (650 Industries, MIT License) and the open-source libraries that ship with them are used under their own licenses.
If you think an attribution is missing or wrong, email [email protected].