A compact binary encoding for geographic data.

Gemma open-weight LLM library, from Google DeepMind

A collection of sample agents built with Agent Development (ADK)

Process Phoenix facilitates restarting your application process.

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

HiveMQ MQTT Client is an MQTT 5.0 and MQTT 3.1.1 compatible and feature-rich high-performance Java client library with different API flavours and backpressure support

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

Zstandard compression for Kotlin Multiplatform

This is the Rust course used by the Android team at Google. It provides you the material to quickly teach Rust.

KotlinX multiplatform date/time library

A Kotlin DSL and Java/Kotlin builder API for constructing HTML-like tables which can be rendered to text

An intelligent diff tool for the output of Gradle's dependencies task

Λrrow - Functional companion to Kotlin's Standard Library

A small testing library for kotlinx.coroutines Flow

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

Developer Asset Hub for NVIDIA Nemotron — A one-stop resource for training recipes, usage cookbooks, datasets, and full end-to-end reference examples to build with Nemotron models

The missing Design System layer for Compose UI

Search Kotlin Multiplatform projects and packages

An app for catching up on things.

Image loading for Android and Compose Multiplatform.

Build a StateFlow stream using Jetpack Compose

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

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

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

A Kotlin compiler plugin that generates equals, hashCode, and toString for plain old Kotlin objects in public APIs.

KotlinConf Schedule Application

Static code analysis for Kotlin

Use Garry Tan's exact Claude Code setup: 23 opinionated tools that serve as CEO, Designer, Eng Manager, Release Manager, Doc Engineer, and QA

Parameterized unit tests for Kotlin Multiplatform

Carbon Language's main repository: documents, design, implementation, and related tools. (NOTE: Carbon Language is experimental; see README)