🇺🇸 Made in United States

Discover United States's Leading Open Source Projects: Explore top-notch open source initiatives hailing from the vibrant tech community of United States.

signalapp/Signal-Android

A private messenger for Android.

afollestad/material-dialogs

😍 A beautiful, fluid, and extensible dialogs API for Kotlin & Android.

coil-kt/coil

Image loading for Android and Compose Multiplatform.

JakeWharton/timber

A logger with a small, extensible API which provides utility on top of Android's normal Log class.

JakeWharton/RxBinding

RxJava binding APIs for Android's UI widgets.

iSoron/uhabits

Loop Habit Tracker, a mobile app for creating and maintaining long-term positive habits

sourcerer-io/sourcerer-app

🦄 Sourcerer app makes a visual profile from your GitHub and git repositories.

pinterest/ktlint

An anti-bikeshedding Kotlin linter with built-in formatter

arrow-kt/arrow

Λrrow - Functional companion to Kotlin's Standard Library

bitwarden/android

Bitwarden mobile app for Android.

facebook/facebook-android-sdk

Used to integrate Android apps with Facebook Platform.

zhanghai/MaterialFiles

Material Design file manager for Android

airbnb/mavericks

Mavericks: Android on Autopilot

florisboard/florisboard

An open-source keyboard for Android which respects your privacy. Currently in early-beta.

kickstarter/android-oss

Kickstarter for Android. Bring new ideas to life, anywhere.

SagerNet/SagerNet

The universal proxy toolchain for Android

agrosner/DBFlow

A blazing fast, powerful, and very simple ORM android database library that writes database code for you.

izhangzhihao/intellij-rainbow-brackets

🌈Rainbow Brackets for IntelliJ based IDEs/Android Studio/HUAWEI DevEco Studio/Fleet

kotest/kotest

Powerful, elegant and flexible test framework for Kotlin with assertions, property testing and data driven tests.

ChuckerTeam/chucker

🔎 An HTTP inspector for Android & OkHTTP (like Charles but on device)

ben-manes/gradle-versions-plugin

Gradle plugin to discover dependency updates

owncloud/android

☎️ The ownCloud Android App

duckduckgo/Android

DuckDuckGo Android App

bufferapp/android-clean-architecture-boilerplate

An android boilerplate project using clean architecture

apollographql/apollo-kotlin

🤖 A strongly-typed, caching GraphQL client for the JVM, Android, and Kotlin multiplatform.

element-hq/element-android

A glossy Matrix collaboration client for Android.

Netflix/dgs-framework

GraphQL for Java with Spring Boot made easy.

vinaygaba/Learn-Jetpack-Compose-By-Example

🚀 This project contains various examples that show how you would do things the "Jetpack Compose" way

hegaojian/JetpackMvvm

🐔🏀一个Jetpack结合MVVM的快速开发框架，基于MVVM模式集成谷歌官方推荐的JetPack组件库：LiveData、ViewModel、Lifecycle、Navigation组件使用Kotlin语言，添加大量拓展函数，简化代码加入Retrofit网络请求,协程，帮你简化各种操作，让你快速开发项目

tasks/tasks

Bringing Astrid Tasks back from the dead

jitsi/jitsi-videobridge

Jitsi Videobridge is a WebRTC compatible video router or SFU that lets build highly scalable video conferencing infrastructure (i.e., up to hundreds of conferences per server).

MikeOrtiz/TouchImageView

Adds touch functionality to Android ImageView.

videolan/vlc-android

VLC for Android, Android TV and ChromeOS

ToxicBakery/ViewPagerTransforms

Library containing common animations needed for transforming ViewPager scrolling for Android v13+.

Automattic/pocket-casts-android

Pocket Casts Android 🎧

wikimedia/apps-android-wikipedia

📱The official Wikipedia app for Android!

TheFinestArtist/FinestWebView-Android

Beautiful and customizable Android Activity that shows web pages within an app.

MM2-0/Kvaesitso

A search-focused Android launcher

home-assistant/android

📱 Home Assistant Companion for Android

JakeWharton/kotterknife

View "injection" library for Android.

touchlab/KaMPKit

KaMP Kit by Touchlab. A collection of code & tools designed to get your mobile team started quickly w/Kotlin Multiplatform

garretyoder/Colorful

Android runtime theme library

brianwernick/ExoMedia

An Android ExoPlayer wrapper to simplify Audio and Video implementations

airbnb/Showkase

🔦 Showkase is an annotation-processor based Android library that helps you organize, discover, search and visualize Jetpack Compose UI elements

anthonycr/Lightning-Browser

A lightweight Android browser with modern navigation

JakeWharton/SdkSearch

An Android app and Chrome extension for searching the Android SDK documentation.

OxygenCobalt/Auxio

A simple, rational music player for android

afollestad/aesthetic

afollestad/drag-select-recyclerview

👇 Easy Google Photos style multi-selection for RecyclerViews, powered by Kotlin and AndroidX.

JakeWharton/retrofit2-kotlin-coroutines-adapter

A Retrofit 2 adapter for Kotlin coroutine's Deferred type.

airbnb/paris

Define and apply styles to Android views programmatically

ZacSweers/CatchUp

An app for catching up on things.

hussien89aa/KotlinUdemy

Learn how to make online games, and apps for Android O, like Pokémon , twitter,Tic Tac Toe, and notepad using Kotlin

cbeust/klaxon

A JSON parser for Kotlin

wdsqjq/FengYunWeather

风云天气是Android 平台开源天气 App，采用Kotlin、Room、OKHttp3、协程等框架实现。

sanogueralorenzo/Android-Kotlin-Clean-Architecture

Android Sample Clean Architecture App written in Kotlin

JakeWharton/diffuse

Diffuse is a tool for diffing APKs, AABs, AARs, and JARs

autonomousapps/dependency-analysis-gradle-plugin

Gradle plugin for JVM projects written in Java, Kotlin, Groovy, or Scala; and Android projects written in Java or Kotlin. Provides advice for managing dependencies and other applied plugins

ExpediaGroup/graphql-kotlin

Libraries for running GraphQL in Kotlin

tytydraco/LADB

A local ADB shell for Android!

KronicDeth/intellij-elixir

Elixir plugin for JetBrain's IntelliJ Platform (including Rubymine)

barbeau/gpstest

The #1 open-source Android GNSS/GPS test program

klinker24/Android-TextView-LinkBuilder

Insanely easy way to define clickable links within a TextView.

PurpurMC/Purpur

Purpur is a drop-in replacement for Paper servers designed for configurability, and new fun and exciting gameplay features.

russhwolf/multiplatform-settings

A Kotlin Multiplatform library for saving simple key-value data

flipperdevices/Flipper-Android-App

Android Mobile app to rule all Flipper's family

ncapdevi/FragNav

An Android library for managing multiple stacks of fragments

JakeWharton/mosaic

An experimental tool for building console UI in Kotlin using the Jetpack Compose compiler/runtime

jaredrummler/Cyanea

A theme engine for Android

GetStream/stream-chat-android

💬 Android Chat SDK ➜ Stream Chat API. UI component libraries for chat apps. Kotlin & Jetpack Compose messaging SDK for Android chat

HabitRPG/habitica-android

Native Android app for Habitica

JLLeitschuh/ktlint-gradle

A ktlint gradle plugin

Ramotion/fluid-slider-android

:octocat:💧 A slider widget with a popup bubble displaying the precise value selected. Android library made by @Ramotion

instacart/truetime-android

Android NTP time library. Get the true current time impervious to device clock time changes

lihenggui/blocker

Utilize an integrated firewall to manage application components.

twitter/compose-rules

Static checks to aid with a healthy adoption of Compose

ihsanbal/LoggingInterceptor

An OkHttp interceptor which has pretty logger for request and response. +Mock support

LawnchairLauncher/lawnicons

Adds themed icons to Lawnchair.

EhViewer-NekoInverter/EhViewer

🥥 A fork of EhViewer-NekoInverter, feature requests are not accepted, but contributions are welcome.

splitwise/TokenAutoComplete

Gmail style MultiAutoCompleteTextView for Android

bufferapp/clean-architecture-components-boilerplate

A fork of our clean architecture boilerplate, this time using the Android Architecture Components

stripe/stripe-android

Stripe Android SDK

GetStream/whatsApp-clone-compose

📱 WhatsApp clone project demonstrates modern Android development built with Jetpack Compose and Stream Chat/Video SDK for Compose.

owenlongbo/McImage

Android Gradle Plugin -- Auto Check big image and compress image in building.

magnusja/libaums

Open source library to access USB Mass Storage devices on Android without rooting your device

FasterXML/jackson-module-kotlin

Module that adds support for serialization/deserialization of Kotlin (http://kotlinlang.org) classes and data classes.

vitorpamplona/amethyst

Nostr client for Android

Skytils/SkytilsMod

Skytils is a Hypixel Skyblock mod! Be careful, malicious copies are distributed across GitHub. Confirm on discord.gg/skytils (807302538558308352)

AllanWang/Frost-for-Facebook

An extensive and functional third party app for Facebook

alexjlockwood/kyrie

🍀 Animated Vector Drawables on steroids 🍀

oss-bandb/GraphView

Android GraphView is used to display data in graph structures.

touchlab/DroidconKotlin

Kotlin Multiplatfom app for Droidcon Events

zacharee/Tweaker

afollestad/photo-affix

📷 Stitch your photos together vertically or horizontally easily!

mozilla/rust-android-gradle

afollestad/material-cab

🚕 An Android & Kotlin library for placing and manipulating Contextual Action Bars in your UI.

bufferapp/android-clean-architecture-mvi-boilerplate

A fork of our clean architecture boilerplate using the Model-View-Intent pattern

infinum/android_dbinspector

Android library for viewing, editing and sharing in app databases.

mwolfson/android-historian

A demo of the Android Material Design Support libraries

element-hq/element-x-android

Android Matrix messenger application using the Matrix Rust Sdk and Jetpack Compose