Licences

This page lists the open-source licenses used by AnkiDroid and its dependencies. AnkiDroid is a free and open-source Android application licensed under the GPL-3.0 License. Additionally, it includes libraries and code from third-party sources, each governed by their respective licenses.

Library	Description	License
AndroidX	Development environment for Android Jetpack extension libraries under the androidx namespace. Synchronized with Android Jetpack's primary development branch on AOSP	The Apache Software License, Version 2.0
Google Material Design	Modular and customizable Material Design UI components for Android	The Apache Software License, Version 2.0
Android-Image-Cropper	Image Cropping Library for Android, optimised for Camera / Gallery	The Apache Software License, Version 2.0
nanohttpd	Tiny, easily embeddable HTTP server in Java	BSD-3-Clause license
kotlinx.serialization	Kotlin multiplatform / multi-format serialization	The Apache Software License, Version 2.0
seismic	Android device shake detection	Apache-2.0 license
protobuf	Protocol Buffers - Google's data interchange format	Custom license
Anki-Android-Backend	JNI bridge between AnkiDroid and Anki Desktop's rust code	GPL-3.0 license
acra	Publishes reports of Android application crashes to an end point	The Apache Software License, Version 2.0
commons-compress	Apache Commons Compress	Apache-2.0 license
commons-collections	Apache Commons Collections	Apache-2.0 license
commons-io	Apache Commons IO	Apache-2.0 license
google-analytics-java	Open Source license compatible Java API for Google Analytics	The Apache Software License, Version 2.0
okhttp	Square’s meticulous HTTP client for the JVM, Android, and GraalVM	Apache-2.0 license
slf4j-timber	SLF4J binding for Jake Wharton's Timber Android logging library	Apache-2.0 license
timber	A logger with a small, extensible API which provides utility on top of Android's normal Log class	Apache-2.0 license
jsoup	jsoup: the Java HTML parser, built for HTML editing, cleaning, scraping, and XSS safety	MIT license
jsemver	Java implementation of the SemVer Specification	MIT license
FullDraggableDrawer	Make Android DrawerLayout can be dragged out in real-time within the range of fullscreen	Apache-2.0 license
MaterialTapTargetPrompt	Material Design tap target for Android	Apache-2.0 license
Colorpicker	Customizable colorpicker library for Android	Apache-2.0 license
kotlin	The Kotlin Programming Language and its libraries	The Apache Software License, Version 2.0
leakcanary	A memory leak detection library for Android	Apache-2.0 license
junit5	Testing framework for Java and the JVM	EPL-2.0 license
mockito	Mocking framework for unit tests written in Java	MIT license
mockito-kotlin	Mockito with Kotlin	MIT license
JavaHamcrest	Java (and original) version of Hamcrest	BSD-3-Clause license
robolectric	Android Unit Testing Framework	MIT License
kotlinx.coroutines	Library support for Kotlin coroutines	Apache-2.0 license
mockk	Mocking library for Kotlin	Apache-2.0 license
JSON-java	Implementation of a JSON package in Java	Public domain
shared-preferences-mock	Library for unit testing shared preferences classes on Android	MIT license
turbine	A testing library for kotlinx.coroutines Flow	Apache-2.0 license
SearchPreference	Library to search inside Android Preferences	MIT license
AnkiDroid API	API is an interface provided by the AnkiDroid app	LGPL-3.0 License
Anki	Anki's shared backend and web components, and the Qt frontend	AGPL-3.0 License
Anki dependencies	Dependencies used by Anki	Licenses