The Kotlin Programming Language.

Framework for quickly creating connected applications in Kotlin with minimal effort

IdeaVim – A Vim engine for JetBrains IDEs

Java / JavaFX / Kotlin Game Library (Engine)

Lightweight JavaFX Framework for Kotlin

Kotlin code completion, diagnostics and more for any editor/IDE using the Language Server Protocol

Bazel rules for Kotlin

Multiple accounts client for multiple Social networks. For Android

Support for Kotlin as a target for ANTLR 4

Kotlin to Dart compiler

An embeddable webView plugin for flutter.

Start GraalVM with access to NodeJS modules from Java/Kotlin

A free as in both freedom and free beer game modding platform using Kotlin on the JVM.

Support for Kotlin as a target for ANTLR