Open Source Licenses
TourGuide AI is built with the following open source software. We gratefully acknowledge the contributions of these projects and their communities.
Last updated: April 7, 2026
Expo
MITCopyright © 650 Industries, Inc. (Expo)
github.com/expo/expoExpo Router
MITCopyright © 650 Industries, Inc. (Expo)
github.com/expo/expo/tree/main/packages/expo-routerAsync Storage
MITCopyright © React Native Community
github.com/react-native-async-storage/async-storageReact Native DateTimePicker
MITCopyright © React Native Community
github.com/react-native-datetimepicker/datetimepickerReact Native Gesture Handler
MITCopyright © Software Mansion
github.com/software-mansion/react-native-gesture-handlerReact Native Safe Area Context
MITCopyright © Th3rd Wave
github.com/th3rdwave/react-native-safe-area-contextReact Native Maps
MITCopyright © React Native Maps contributors
github.com/react-native-maps/react-native-mapsReact Native Heroicons
MITCopyright © Josué Encarnación
github.com/ecklf/react-native-heroiconsBased on Heroicons by Tailwind Labs (MIT) — https://github.com/tailwindlabs/heroicons
Third-Party Data Sources
OpenStreetMap / Nominatim
Open Database License (ODbL) 1.0Data: © OpenStreetMap contributors
www.openstreetmap.org/copyrightWikipedia / Wikimedia Commons
CC BY-SA 3.0Content used under Creative Commons Attribution-ShareAlike 3.0 (CC BY-SA 3.0).
en.wikipedia.org/wiki/Wikipedia:CopyrightsMIT License (full text)
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the “Software”), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
SIL Open Font License, Version 1.1 (summary)
The Inter font is licensed under the SIL Open Font License, Version 1.1. This license allows the font to be used, studied, modified, and redistributed freely as long as it is not sold by itself. The full license text is available at: scripts.sil.org/OFL
Apache License, Version 2.0 (summary)
TypeScript is licensed under the Apache License, Version 2.0. You may obtain a copy of the license at: apache.org/licenses/LICENSE-2.0
Open Database License (ODbL) 1.0 (summary)
OpenStreetMap data is available under the Open Database License. You are free to share and adapt the data as long as you attribute OpenStreetMap and its contributors, share alike, and keep the data open. The full license text is available at: opendatacommons.org/licenses/odbl/1.0