Cash App

A Gradle plugin that generates type-safe formatters for Android string resources in the ICU message format.

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

A content provider wrapper for reactive queries

A Java serialization/deserialization library to convert Java Objects into JSON and back

Google's common Java, C++ and JavaScript library for parsing, formatting, and validating international phone numbers.

Process Phoenix facilitates restarting your application process.

A collection of extension libraries for Jetpack Compose

A modern I/O library for Android, Java, and Kotlin Multiplatform.

Open-source cryptographic APIs

Run Kotlin/JS libraries in Kotlin/JVM and Kotlin/Native programs Resources

Stripe is a global technology company that builds economic infrastructure for the internet.

3D Secure 2 is an authentication protocol that provides an additional layer of verification for card-not-present (CNP) transactions

RxJava types that are both an Observable and a Consumer.

gRPC and protocol buffers for Android, Kotlin, Swift and Java.

Firebase Cloud Messaging (FCM) is a cross-platform messaging solution that lets you reliably send messages.

Security functionality for interoperability/interaction with core services.

Meet the financial technology platform helping the world’s leading businesses achieve their ambitions faster.

Redwood is a library for building reactive Android, iOS, and web UIs using Kotlin.

Lottie is a library for Android, iOS, Web, and Windows that parses Adobe After Effects animations exported as JSON with Bodymovin and renders them natively on mobile and on the web!

RxJava – Reactive Extensions for the JVM – a library for composing asynchronous and event-based programs using observable sequences for the Java VM.

ML Kit brings Google’s machine learning expertise to mobile developers in a powerful and easy-to-use package. Make your iOS and Android apps more engaging, personalized, and helpful with solutions that are optimized to run on device.

Build a StateFlow stream using Jetpack Compose

A modern JSON library for Kotlin and Java.

A powerful image downloading and caching library for Android

Tink is a multi-language, cross-platform, open source library that provides cryptographic APIs that are secure, easy to use correctly, and hard(er) to misuse.

Volley is an HTTP library that makes networking for Android apps easier and, most importantly, faster.

The Plaid Link SDK is a quick and secure way to link bank accounts to Plaid in your Android app.

A simple shimmer library for Jetpack Compose.

Protocol Buffers are language-neutral, platform-neutral extensible mechanisms for serializing structured data.

A type-safe HTTP client for Android and Java

Insight Hub is an error monitoring and reporting software with best-in-class functionality for mobile apps

Google Analytics is an app measurement solution, available at no charge, that provides insight on app usage and user engagement.

Image loading for Android and Compose Multiplatform.

A linear-time regular expression engine in pure Java.

Secure Identity Verification Solutions

A Swift and Kotlin library for making composable state machines, and UIs driven by those state machines.

Brands trust AppsFlyer’s #privacy-preserving #measurement, #analytics, and engagement technologies to help them make good choices.

Generates typesafe Kotlin APIs from SQL

Modern monitoring & security

Layouts with lambdas 😎

Dagger is a fully static, compile-time dependency injection framework for Java, Kotlin, and Android. It is an adaptation of an earlier version created by Square and now maintained by Google.

Official Google Maps SDK