VERIFIED THIRD-PARTY INVENTORY

CaptainCalc Licences and Third-party Notices

Public notices for the scientific data, native components, map stack, core libraries and app-authored maritime reference content used by CaptainCalc.

This inventory is reconciled with the app's explicit notices and resolved release dependencies. The app also includes its generated open-source list for transitive libraries.

Scientific data and native astronomy

scientific dataset

NASA JPL DE440s

Component: de440s.bsp
Licence or terms: NAIF rules for SPICE kernel redistribution
Official source: https://naif.jpl.nasa.gov/naif/rules.html
Notice files: DE440-REFERENCE.txt
NAIF-RULES.txt
Last reviewed: 2026-07-30

native scientific software

IAU SOFA

Component: IAU SOFA C library in core-celestial JNI
Licence or terms: SOFA Software License
Official source: https://www.iausofa.org/terms-and-conditions
Notice files: SOFA-LICENSE.txt
Last reviewed: 2026-07-30

Software Routines from the IAU SOFA Collection were used. Copyright © International Astronomical Union Standards of Fundamental Astronomy (http://www.iausofa.org)

scientific data

International Earth Rotation and Reference Systems Service (IERS)

Component: Earth-orientation and leap-second data
Licence or terms: IERS data-use conditions
Official source: https://www.iers.org/IERS/EN/DataProducts/data.html
Notice files: IERS-CONDITIONS.txt
Last reviewed: 2026-07-30

dataset

NOAA ETOPO 2022 Global Relief Model

Component: Offline ocean-relief preview derived from ETOPO 2022
Licence or terms: U.S. Government public-domain data; NOAA citation requested
Official source: https://www.ncei.noaa.gov/products/etopo-global-relief-model
Notice files: NOAA-ETOPO-2022-NOTICE.txt
Last reviewed: 2026-07-30

Maps and geospatial components

Android library

osmdroid

Component: org.osmdroid:osmdroid-android:6.1.20
Licence or terms: Apache License 2.0
Official source: https://github.com/osmdroid/osmdroid
Notice files: Apache-2.0.txt
osmdroid-NOTICE.txt
Last reviewed: 2026-07-30

Android library family

MapLibre Android

Component: org.maplibre.gl:android-sdk-opengl:13.0.2 and supporting MapLibre libraries
Licence or terms: BSD 2-Clause and Apache License 2.0 notices
Official source: https://github.com/maplibre/maplibre-native
Notice files: MAPLIBRE-OFFLINE-MAPS-NOTICE.txt
Apache-2.0.txt
Last reviewed: 2026-07-30

map data

OpenStreetMap contributors

Component: Online and offline OpenStreetMap-backed map surfaces
Licence or terms: Open Database License (ODbL) attribution
Official source: https://www.openstreetmap.org/copyright
Notice files: OPENSTREETMAP-ATTRIBUTION.txt
Last reviewed: 2026-07-30

Application platform libraries

Android libraries

AndroidX and Jetpack Compose

Component: Android application UI, lifecycle, navigation and storage
Licence or terms: Apache License 2.0
Official source: https://source.android.com/docs/setup/about/licenses
Notice files: Apache-2.0.txt
Last reviewed: 2026-07-30

runtime libraries

Kotlin standard libraries

Component: org.jetbrains.kotlin:kotlin-stdlib:2.3.10
Licence or terms: Apache License 2.0
Official source: https://github.com/JetBrains/kotlin
Notice files: Apache-2.0.txt
Last reviewed: 2026-07-30

Android library

AndroidX Room

Component: androidx.room:room-runtime:2.8.4
Licence or terms: Apache License 2.0
Official source: https://developer.android.com/jetpack/androidx/releases/room
Notice files: Apache-2.0.txt
Last reviewed: 2026-07-30

Android library

Timber

Component: com.jakewharton.timber:timber:5.0.1
Licence or terms: Apache License 2.0
Official source: https://github.com/JakeWharton/timber
Notice files: Apache-2.0.txt
Last reviewed: 2026-07-30

vendor Android SDK

Google Play Billing Library

Component: com.android.billingclient:billing:8.3.0
Licence or terms: Android Software Development Kit License (vendor SDK terms)
Official source: https://developer.android.com/studio/terms.html
Notice files: GOOGLE-ANDROID-SDK-TERMS.txt
Last reviewed: 2026-07-30

Google Android SDK family

Firebase SDK and Google Play services

Component: Firebase Analytics, Auth, Messaging, Crashlytics and App Check; Google Play services and Play runtime libraries resolved in the release graph
Licence or terms: Android Software Development Kit License (vendor SDK terms)
Official source: https://developer.android.com/studio/terms.html
Notice files: GOOGLE-ANDROID-SDK-TERMS.txt
Last reviewed: 2026-07-30

networking and I/O libraries

OkHttp and Okio

Component: com.squareup.okhttp3:okhttp:5.3.2 and com.squareup.okio:okio:3.16.4 in the resolved release graph
Licence or terms: Apache License 2.0
Official source: https://square.github.io/okhttp/
Notice files: Apache-2.0.txt
Last reviewed: 2026-07-30

Android image-loading library family

Coil

Component: io.coil-kt:coil-compose:2.5.0 and io.coil-kt:coil-svg:2.5.0
Licence or terms: Apache License 2.0
Official source: https://github.com/coil-kt/coil
Notice files: Apache-2.0.txt
Last reviewed: 2026-07-30

cryptography library

Tink Cryptography API for Android

Component: com.google.crypto.tink:tink-android:1.23.0
Licence or terms: Apache License 2.0
Official source: https://github.com/tink-crypto/tink-java
Notice files: Apache-2.0.txt
Last reviewed: 2026-07-30

vendor advertising SDK

Yandex Mobile Ads SDK

Component: com.yandex.android:mobileads:8.2.0
Licence or terms: Terms of Use of Yandex Advertising Network (vendor terms)
Official source: https://legal.yandex.com/partner_ch/
Notice files: YANDEX-ADVERTISING-NETWORK-TERMS.txt
Last reviewed: 2026-07-30

analytics SDK

AppMetrica Analytics SDK

Component: io.appmetrica.analytics:analytics:8.4.1
Licence or terms: MIT License
Official source: https://appmetrica.io/
Notice files: APPMETRICA-MIT-LICENSE-NOTICE.txt
Last reviewed: 2026-07-30

Maritime reference content

app-owned reference summaries and diagrams

CaptainCalc maritime reference content

Component: COLREG, SOLAS, IALA and IAMSAR quick-reference content
Licence or terms: CaptainCalc-authored summaries with external source boundaries
Official source: https://www.imo.org/en/about/conventions/pages/colreg.aspx
Notice files: MARITIME-REFERENCE-CONTENT-NOTICE.txt
Last reviewed: 2026-07-30

Think a notice is missing? Contact: developer@captaincalc.com.tr