The Kotlin Programming Language.

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

Framework for quickly creating connected applications in Kotlin with minimal effort

Library support for Kotlin coroutines

Kotlin SQL Framework

Static code analysis for Kotlin

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

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

Gradle plugin to discover dependency updates

Gradle plugin to create fat/uber JARs, apply file transforms, and relocate packages for applications and libraries. Gradle version of Maven's Shade plugin.

Samples builds using the Gradle Kotlin DSL

Template repository for creating plugins for IntelliJ Platform

Using Mockito with Kotlin

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

Kotlin workshop

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

Gradle plugin for building plugins for JetBrains IDEs

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

Spring Boot Kotlin project with a REST Webservice and Spring Data

Thrift for Android that saves you methods

Annotations for JVM-based languages.

Spring Framework Kotlin APIs, the functional way

JITWatch plugin for IntelliJ IDEA

IntelliJ Doma support plugin.