push.tt is built on work other people gave away. This page lists it, and the open data the maps and weather screens depend on. Where a library ships its own licence text, that text is the authority and this table is a pointer to it.
| Component | Author | Licence |
|---|---|---|
androidx.* (Compose, Activity, AppCompat, CameraX, Core, Lifecycle, Navigation, Fragment, ExifInterface) | Google / AOSP | Apache-2.0 |
com.google.crypto.tink:tink-android | Apache-2.0 | |
com.google.zxing:core | ZXing authors | Apache-2.0 |
com.google.firebase:firebase-messaging | Apache-2.0 (optional — push works without it) | |
com.squareup.okhttp3:okhttp | Square, Inc. | Apache-2.0 |
org.jetbrains.kotlinx:kotlinx-coroutines-android | JetBrains | Apache-2.0 |
org.jetbrains.kotlinx:kotlinx-serialization-json | JetBrains | Apache-2.0 |
org.osmdroid:osmdroid-android | osmdroid contributors | Apache-2.0 |
| Component | Author | Licence |
|---|---|---|
@mattnucc/gribberish | Matt Nucciarone and contributors | MIT |
The app renders maps with MapLibre and routes with Valhalla. No Mapbox SDK, token or service is involved.
| Component | Author | Licence |
|---|---|---|
org.maplibre.gl:android-sdk | MapLibre contributors | BSD-2-Clause |
org.maplibre.navigation:navigation-ui-android | MapLibre contributors | See the licence shipped with the library |
The OpenStreetMap credit shown on every map is a requirement of the ODbL, not a courtesy. It is never hidden or replaced.
| Source | Attribution | Terms |
|---|---|---|
OpenStreetMap | OpenStreetMap contributors | ODbL — map data |
OpenFreeMap / OpenMapTiles | OpenFreeMap, OpenMapTiles | Vector styles and schema |
Mapzen Terrarium | Mapzen / Linux Foundation | Terrain elevation tiles |
Valhalla | Valhalla contributors | MIT — routing engine |
RainViewer | RainViewer | Radar imagery (non-commercial free tier) |
Open-Meteo | Open-Meteo | CC-BY — forecast and marine data |
Global Forecast System (GFS) | NOAA / NCEP | US Government open data — native forecast fields |
aviationweather.gov, National Weather Service | NOAA / US Government | Public domain |
OurAirports | OurAirports | Public domain — the bundled airport catalogue |
Listed here for completeness rather than attribution. com.twilio:voice-android is Twilio's commercial SDK, used for World Phone calling and covered by Twilio's own terms.
This list is maintained by hand against the app's build files. If you are reading it after a release that changed dependencies and something looks missing, it probably is — tell us and we will correct it.