This application What is Kotlin, Kotlin Lessons, Kotlin Samples and Kotlin or Java? It consists of parts. You can use this application, where you can reach more information and details about the Kotlin language, at any time. Kotlin was created by JetBrains firm in 2010. Kotlin was announced at the JVM Language Summit event on July 19, 2011. Kotlin is a static programming language. Kotlin is an open source project developed under the Apache 2.0 license, open to support and assistance. The source