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

Translation plugin for IntelliJ-based IDEs/Android Studio.

A modern JSON library for Kotlin and Java.

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

Kotlin/Native infrastructure

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

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

Orbit - Virtual actor framework for building distributed systems