Language

Kotlin

General-purpose programming language derived from Java

2011Appeared

static typing, inference typing, strong typingType system

Kotlin 2.4.0Latest version

2Languages it influenced

Facts

Appeared: 2011
Type system: static typing, inference typing, strong typing
Latest version: Kotlin 2.4.0 (June 3, 2026)
Languages it influenced: 2
First release: February 15, 2016
Kind: free software, JVM language, object-based language
Paradigms: generic programming, reflective programming, concurrent computing, functional programming, structured programming, imperative programming, declarative programming, object-oriented programming
Designed by: JetBrains
Developer: JetBrains
Influenced by: Ruby, JavaScript, C#, Java, Python, Scala, Apache Groovy, Gosu, ML
File extensions: .kt .kts
Licence: Apache Software License 2.0
Platform: Microsoft Windows, macOS, watchOS, Java virtual machine, JavaScript, WebAssembly, tvOS, Linux, iOS, Dalvik VM
Influences listed: 9

Framework	Kind	Licence
Codename One	cross-platform software	—
Compose Multiplatform	free and open-source software	Apache Software License 2.0
Shizuku	free and open-source software, mobile app	Apache Software License 2.0
Spring Framework	web framework, Java software library, free software	Apache Software License 2.0

Language	Appeared	Paradigms	Type system	Languages it influenced
Ballerina	2017	concurrent computing	static typing, inference typing, structural typing, strong typing	—
V	2018	functional programming, structured programming, imperative programming	—	—