The Kotlin Programming Language.

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

Compose Multiplatform, a modern UI framework for Kotlin that makes building performant and beautiful user interfaces easy and enjoyable.

Library support for Kotlin coroutines

Framework for quickly creating connected applications in Kotlin with minimal effort

A modern JSON library for Kotlin and Java.

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

Kotlin SQL Framework

A simple and modern Java and Kotlin web framework

Kotlin/Native infrastructure

Static code analysis for Kotlin

An anti-bikeshedding Kotlin linter with built-in formatter

SQLDelight - Generates typesafe Kotlin APIs from SQL

Kotlin multiplatform / multi-format serialization

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

The easiest HTTP networking library for Kotlin/Android

Rust plugin for the IntelliJ Platform

A Kotlin API for generating .kt source files.

Gradle plugin to discover dependency updates

Samples builds using the Gradle Kotlin DSL

A Retrofit inspired WebSocket client for Kotlin, Java, and Android

Lightweight Multiplatform logging framework for Kotlin. A convenient and performant logging facade.

The Functional toolkit for Kotlin HTTP applications. http4k provides a simple and uniform way to serve, consume, and test HTTP services.

Multiplatform command line interface parsing for Kotlin

Scripting enhancements for Kotlin

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

Java & Kotlin Async DataBase Driver for MySQL and PostgreSQL written in Kotlin

Life is too short to google for dependencies and versions

Kotlin DSL for HTML

A ktlint gradle plugin