Android

StreetCompletewestnordost/StreetComplete

An easy-to-use Android app that lets anyone contribute to OpenStreetMap by answering simple questions on location.

SQLBritesquare/sqlbrite

A lightweight wrapper around SQLiteOpenHelper that adds reactive stream semantics to SQL operations.

AboutLibrariesmikepenz/AboutLibraries

Automatically collects Gradle project dependencies and licenses, providing UI components for Android and Compose Multiplatform.

PCAPdroidemanuele-f/PCAPdroid

A no-root Android app for monitoring, analyzing, and blocking app network traffic with PCAP export and TLS decryption.

SpotlightTakuSemba/Spotlight

An Android library for creating interactive tutorial spotlights that highlight UI elements with custom shapes and effects.

Material Dots Indicatorstommybuonomo/dotsindicator

An Android library providing customizable dot indicators for ViewPagers, available for both Jetpack Compose and XML layouts.

ThreeTen Android BackportJakeWharton/ThreeTenABP

An Android-optimized backport of Java 8's java.time API for handling dates and times.

Android Priority Job Queueyigit/android-priority-jobqueue

A deprecated Android job queue library for scheduling background tasks with prioritization, persistence, and network awareness.

react-native-notificationswix/react-native-notifications

A React Native library for handling push notifications, local notifications, and interactive notifications on iOS and Android.

native-navigationairbnb/native-navigation

A native navigation library for React Native applications built on top of iOS and Android platform navigational components.

Developer Quest2d-inc/developer_quest

A Flutter-based game demo from Google I/O 2019 where you progress as a developer by completing tasks and managing bugs.

Inspeckageac-pm/Inspeckage

An Xposed module for dynamic analysis of Android apps via API hooks, unexported activity launching, and runtime inspection.

FadingActionBarManuelPeinado/FadingActionBar

Android library implementing a fading action bar effect similar to Google Play Music, supporting stock, ActionBarCompat, and ActionBarSherlock.

Flowsquare/flow

A library for managing Android Activity UI states, navigation, and history with lifecycle-aware resource management.

ScalpelJakeWharton/scalpel

A surgical debugging tool for Android that visualizes view hierarchies in 3D with interactive layer inspection.

MaterialIntroScreenTangoAgency/material-intro-screen

An Android library for creating beautiful, customizable Material Design intro screens with permission handling and parallax effects.

Senseynisrulz/sensey

Android library for easy sensor event handling and gesture detection with minimal boilerplate code.

ShapeImageViewsiyamed/android-shape-imageview

A library providing custom shaped Android ImageView components with shader and bitmap mask implementations.

Joda-Time Androiddlew/joda-time-android

Android-optimized version of Joda-Time for better datetime handling and updated timezone data.

J2ME Loadernikita36078/J2ME-Loader

A J2ME emulator for Android that runs classic Java mobile games with virtual keyboard and per-app settings.

ShimmerLayoutteam-supercharge/ShimmerLayout

A memory-efficient Android library for adding Facebook/LinkedIn-style shimmer loading effects to layouts.

MultiSnapRecyclerViewTakuSemba/MultiSnapRecyclerView

An Android library for adding multiple snapping behavior to RecyclerView with customizable gravity and snap intervals.

Tapesquare/tape

A lightning-fast, transactional, file-based FIFO queue for Android and Java applications.

SlidingTutorialCleveroad/slidingtutorial-android

An Android library for creating animated, sliding tutorials with parallax effects inside your app.

Smackigniterealtime/Smack

A modular and portable open source XMPP client library written in Java for Android and Java SE VMs.

RajawaliRajawali/Rajawali

A 3D engine for Android based on OpenGL ES 2.0/3.0, used for apps and live wallpapers.

AnyChartAnyChart/AnyChart-Android

A comprehensive data visualization library for creating interactive charts in Android apps with dozens of built-in chart types.

MaterialProgressBarzhanghai/MaterialProgressBar

A Material Design ProgressBar library for Android 4.0+ with consistent appearance and correct tinting across platforms.

KotterknifeJakeWharton/kotterknife

A Butter Knife-inspired view binding library for Android written in Kotlin, now deprecated.

AppUpdaterjaviersantos/AppUpdater

An Android library that checks for app updates from Google Play, GitHub, Amazon, F-Droid, or custom servers.

Official Clientmastodon/mastodon-android

Official Android client for connecting to Mastodon servers and accessing the decentralized social network.

TastyToastyadav-rahul/TastyToast

A library for creating beautifully styled and animated toast notifications on Android.

MaterialSearchBarmancj/MaterialSearchBar

A beautiful and easy-to-use Material Design SearchBar library for Android apps.

AndrOBDfr3ts0n/AndrOBD

An open-source Android app for OBD-II vehicle diagnostics using any ELM327 adapter.

Usb serial controller for AndroidfelHR85/UsbSerial

Android library for USB serial communication with support for multiple chipset families and SPI interface.

AwesomeQRCode (Kotlin) WSumiMakito/AwesomeQRCode

A highly customizable QR code generator library for Android with support for logos, backgrounds, and animations.