The Kotlin Programming Language.

Square’s meticulous HTTP client for the JVM, Android, and GraalVM.

A collection of samples to discuss and showcase different architectural tools and patterns for Android apps.

A memory leak detection library for Android.

Samples for Android Architecture Components.

The Google I/O Android App

Flexbox for Android

A gardening app illustrating Android development best practices with migrating a View-based app to Jetpack Compose.

An Android app which provides design news & inspiration as well as being an example of implementing material design.

Library support for Kotlin coroutines

Framework for quickly creating connected applications in Kotlin with minimal effort

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

RxJava binding APIs for Android's UI widgets.

A modern JSON library for Kotlin and Java.

Koin - a pragmatic lightweight dependency injection framework for Kotlin & Kotlin Multiplatform

Kotlin/Native infrastructure

RxJava bindings for Kotlin

Tivi is a TV show tracking Android app, which connects to trakt.tv

Static code analysis for Kotlin

An anti-bikeshedding Kotlin linter with built-in formatter

Design Patterns implemented in Kotlin

Mavericks: Android on Autopilot

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

mocking library for Kotlin

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

The most beautiful SMS messenger for Android

GPP is Android's unofficial release automation Gradle Plugin. It can do anything from building, uploading, and then promoting your App Bundle or APK to publishing app listings and other metadata.

A Kotlin API for generating .kt source files.

Gradle plugin to discover dependency updates

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