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

React Native

MIT

Copyright © Meta Platforms, Inc. and affiliates.

github.com/facebook/react-native

React

MIT

Copyright © Meta Platforms, Inc. and affiliates.

github.com/facebook/react

Expo

MIT

Copyright © 650 Industries, Inc. (Expo)

github.com/expo/expo
expoexpo-apple-authenticationexpo-assetexpo-constantsexpo-cryptoexpo-dev-clientexpo-file-systemexpo-fontexpo-glass-effectexpo-imageexpo-linkingexpo-localizationexpo-locationexpo-printexpo-routerexpo-sharingexpo-status-barexpo-symbolsexpo-tracking-transparency@expo/metro-runtime@expo/ui

Expo Router

MIT

Copyright © 650 Industries, Inc. (Expo)

github.com/expo/expo/tree/main/packages/expo-router

Supabase JavaScript Client

MIT

Copyright © Supabase

github.com/supabase/supabase-js

Async Storage

MIT

Copyright © React Native Community

github.com/react-native-async-storage/async-storage

React Native DateTimePicker

MIT

Copyright © React Native Community

github.com/react-native-datetimepicker/datetimepicker

React Native Picker

MIT

Copyright © React Native Community

github.com/react-native-picker/picker

React Native Gesture Handler

MIT

Copyright © Software Mansion

github.com/software-mansion/react-native-gesture-handler

React Native Screens

MIT

Copyright © Software Mansion

github.com/software-mansion/react-native-screens

React Native SVG

MIT

Copyright © Software Mansion

github.com/software-mansion/react-native-svg

React Native Safe Area Context

MIT

Copyright © Th3rd Wave

github.com/th3rdwave/react-native-safe-area-context

React Native Maps

MIT

Copyright © React Native Maps contributors

github.com/react-native-maps/react-native-maps

React Native Heroicons

MIT

Copyright © Josué Encarnación

github.com/ecklf/react-native-heroicons

Based on Heroicons by Tailwind Labs (MIT) — https://github.com/tailwindlabs/heroicons

React Native Country Flag

MIT

Copyright © YannYves

github.com/YannYves/react-native-country-flag

React Native Web

MIT

Copyright © Nicolas Gallagher

github.com/necolas/react-native-web

Axios

MIT

Copyright © Matt Zabriskie & Collaborators

github.com/axios/axios

Buffer

MIT

Copyright © Feross Aboukhadijeh and other contributors

github.com/feross/buffer

Inter Font

SIL Open Font License 1.1

Copyright © Rasmus Andersson

github.com/rsms/inter

TypeScript

Apache-2.0

Copyright © Microsoft Corporation

github.com/microsoft/TypeScript

Third-Party Data Sources

OpenStreetMap / Nominatim

Open Database License (ODbL) 1.0

Data: © OpenStreetMap contributors

www.openstreetmap.org/copyright

Wikipedia / Wikimedia Commons

CC BY-SA 3.0

Content used under Creative Commons Attribution-ShareAlike 3.0 (CC BY-SA 3.0).

en.wikipedia.org/wiki/Wikipedia:Copyrights

MIT 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