Acknowledgements
Effective 9 October 2026 · Version 2
Helogram is built on open-source software and open data. Thank you to everyone who makes them.
Maps: map data © OpenStreetMap contributors, available under the Open Database License (openstreetmap.org/copyright). Map tiles are served by OpenFreeMap using the OpenMapTiles schema.
Fonts and icons: Inter by Rasmus Andersson (SIL Open Font License 1.1) and Ionicons (MIT License).
Software: the libraries below are used under their own licences, whose full text is included with each package.
- @expo-google-fonts/interMIT AND OFL-1.1
- @expo-google-fonts/soraMIT AND OFL-1.1
- @expo/vector-iconsMIT
- @maplibre/maplibre-gl-leafletISC
- @react-native-async-storage/async-storageMIT
- @shopify/flash-listMIT
- @shopify/react-native-skiaMIT
- @supabase/ssrMIT
- @supabase/supabase-jsMIT
- @types/leafletMIT
- aes-jsMIT
- expoMIT
- expo-apple-authenticationMIT
- expo-audioMIT
- expo-auth-sessionMIT
- expo-cameraMIT
- expo-clipboardMIT
- expo-constantsMIT
- expo-cryptoMIT
- expo-document-pickerMIT
- expo-image-manipulatorMIT
- expo-image-pickerMIT
- expo-linkingMIT
- expo-locationMIT
- expo-media-libraryMIT
- expo-notificationsMIT
- expo-routerMIT
- expo-screen-captureMIT
- expo-secure-storeMIT
- expo-splash-screenMIT
- expo-status-barMIT
- expo-system-uiMIT
- expo-updatesMIT
- expo-videoMIT
- expo-video-thumbnailsMIT
- expo-web-browserMIT
- leafletBSD-2-Clause
- maplibre-glBSD-3-Clause
- nextMIT
- qrcodeMIT
- reactMIT
- react-domMIT
- react-leafletHippocratic-2.1
- react-nativeMIT
- react-native-compressorMIT
- react-native-nitro-modulesMIT
- react-native-safe-area-contextMIT
- react-native-screensMIT
- react-native-url-polyfillMIT
- react-native-webviewMIT