The Kotlin Programming Language.

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

A private messenger for Android.

Pleasant Android application development

RxJava bindings for Kotlin

Java / JavaFX / Kotlin Game Library (Engine)

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

API documentation engine for Kotlin

APKUpdater is an open source tool that simplifies the process of finding updates for your installed apps.

video player for Android based on libmpv ↦ #mpv-android @ irc.libera.chat

Companion App for the book

A JSON parser for Kotlin

A showcase music app for Android entirely written using Kotlin language

Termux add-on app for customizing the terminal font and color theme.

JVM version of Pact. Enables consumer driven contract testing, providing a mock service and DSL for the consumer project, and interaction playback and verification for the service provider project.

Intelij IDEA plugin for displaying a code mini-map similar to the one found in Sublime

The modelling for success/failure of operations in Kotlin and KMM (Kotlin Multiplatform Mobile)

IntelliJ plugin for writing IntelliJ plugins at runtime ⚡️

Markdown language support for IntelliJ IDEA.

Project to illustrate how to build a programming language

Kovenant. Promises for Kotlin.

GitToolBox IntelliJ plugin

Kotlin Web Framework for the JVM

Textricator is a tool to extract text from documents and generate structured data.

Dependency Injection for Kotlin

Three.js port for the JVM (desktop)

Android Logcat app without Root

Ember.js support for JetBrains IDEs (IntelliJ, WebStorm, ...)

Scratch is IntelliJ IDEs plugin to quickly open temporary text editor

UNMAINTAINED: A layer on top of JavaFX to make better use of Kotlin's features.