If you need help getting things done in Kotlin, ask here.

Discussions around the Kotlin language itself.

Development of multiplatform Kotlin libraries and applications.

Developing Android applications with Kotlin.

Developing web applications in Kotlin (client and server).

Using the Kotlin standard library and other kotlinx libraries.

Questions and discussion on development with Kotlin/Native.

Questions and discussion on development with Kotlin and WebAssembly.

Announcements of Kotlin Early Access Preview versions.

Development with Kotlin/JS.

Discussion about this site, its organization, how it works, and how we can improve it.

Contributing to the development of Kotlin language and IDEA plugin.

Using Kotlin in Eclipse IDE.