Features of Kotlin
– Developed and supported by JetBrains
– Officially supported for Android development
– Very similar to Swift, relatively easy to switch between the two languages
– Can compile to Javascript and machine code, in addition to Java bytecode
– 100% interoperable with Java
– Interactive shell
Kotlin
Kotlinlang.org
Wikipedia
Reference
Kotlin reference
Learning
Kotlin.guide
Getting started with Kotlin
Interactive
Try Kotlin
Kotlin and Android
Android Kotlin
Kotlin Resources
Kotlin vs Java
Comparison with Java
Kotlin vs Swift
Swift is like Kotlin
Moving towards a universal language
Links
Kotlin.link