Kotlin

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Kotlin, developed by JetBrains.
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Kotlin Roundup: KotlinConf 2024 Keynote Highlights

May 30, 2024

Kotlin Roundup: KotlinConf 2024 Keynote Highlights

This special edition of the Kotlin Roundup is dedicated exclusively to KotlinConf 2024. At the opening keynote, Egor Tolstoy, Michail Zarečenskij, Ekaterina Petrova, Sebastian Aigner, Vsevolod Tolstopyatov, and Svetlana Isakova announced a plethora of exciting updates, addressing JetBrains’ recent work on the Kotlin language. Meanwhile, our guest keynote speakers, Jeffrey van Gogh (Google), Julie Gunderson […]

AI-Friendly Programming Languages: the Kotlin Story

May 30, 2024

AI-Friendly Programming Languages: the Kotlin Story

To stay relevant in today’s world of AI revolution, a programming language should be well represented in the ML community and in language models. The less well represented a language is, the lower the quality of generated code, which results in decreased usage of the language and even worse representation. You might be wondering what […]

Compose Multiplatform 1.6.10 – iOS Beta, Web Alpha, Lifecycle, Navigation, and More

May 23, 2024

Compose Multiplatform 1.6.10 – iOS Beta, Web Alpha, Lifecycle, Navigation, and More

Compose Multiplatform is a declarative UI framework built by JetBrains that allows developers to share UI implementations across different platforms. Compose Multiplatform unlocks full code-sharing flexibility for Kotlin Multiplatform projects, allowing you to write your apps in up to 100% Kotlin. The 1.6.10 release includes several powerful features, and upgrades iOS support to Beta and […]

Celebrating Kotlin 2.0: Fast, Smart, and Multiplatform

May 23, 2024

Celebrating Kotlin 2.0: Fast, Smart, and Multiplatform

Today we are excited to release Kotlin 2.0 with a stable K2 compiler, which is multiplatform from the ground up, understands your code better, and compiles it twice as fast. Kotlin began as a JVM language and quickly gained popularity among developers due to its conciseness and safety. It has rapidly gained traction on the […]

Kotlin blog
Why Kotlin?
Code examples
fun main() {
    val name = "stranger"        // Declare your first variable
    println("Hi, $name!")        // ...and use it!
    print("Current count:")
    for (i in 0..10) {           // Loop over a range from 0 to 10
        print(" $i")
    }
}
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Kotlin in action

McDonald's
McDonald's leverages Kotlin Multiplatform (KMP) for their global mobile app, enabling them to build a codebase that can be shared across platforms, removing the need for codebase redundancies.Kotlin Multiplatform
AWS
AWS opted for Kotlin over Java for Amazon Quantum Ledger Database (QLDB) thanks to its expressiveness and structured concurrency. They rewrote QLDB in Kotlin, enhancing the user experience, benefiting from its development workflow, and adopting it fully for server-side development.Server-side
Philips
Philips utilizes Kotlin Multiplatform in its HealthSuite digital platform mobile SDK. With KMP, they accelerated the implementation of new features and fostered increased collaboration between Android and iOS developers.Kotlin Multiplatform
Adobe
Adobe Experience Platform chose Kotlin for server-side development because of its concise syntax, async capabilities, and interoperability with Java. This shift boosted productivity and improved the developer experience, replacing Java for real-time services.Server-side
Forbes
By sharing over 80% of logic across iOS and Android, Forbes now rolls out new features simultaneously on both platforms, keeping the flexibility to withhold or customize features based on the specific platform.Kotlin Multiplatform
Atlassian
Atlassian adopted Kotlin for the Jira Software cloud, leveraging its Java compatibility for seamless integration and minimizing migration challenges. Kotlin's ease of use improved developer productivity and boosted team satisfaction and efficiency.Server-side

Share code on your terms and for different platforms

Simplify the development of cross-platform projects with Kotlin Multiplatform. It reduces time spent writing and maintaining the same code for different platforms while retaining the flexibility and benefits of native programming. Kotlin applications will work on different operating systems, such as iOS, Android, macOS, Windows, Linux, watchOS, and others.
Learn about Kotlin Multiplatform

Big, friendly and helpful community

Kotlin has great support and many contributors in its fast-growing global community. Enjoy the benefits of a rich ecosystem with a wide range of community libraries. Help is never far away — consult extensive community resources or ask the Kotlin team directly.

Kotlin Foundation

Actively supports community efforts in developing the Kotlin ecosystem.

Start using Kotlin today!