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April 30, 2025

Structuring Ktor Projects Using Domain-Driven Design (DDD) Concepts: A Step-by-Step Guide With a Minimalistic CRM

In this guide, we’ll show you how to structure a project using domain-driven design (DDD) concepts, step by step, by building a minimalistic CRM system. Sample code for the article: https://github.com/antonarhipov/ktor-ddd-example Ktor is a highly flexible framework that allows developers to structure their applications however they see fit. Unlike some opinionated frameworks (like Spring Boot), […]

April 28, 2025

How to Use Kotlin Notebooks for Productive Development

Kotlin Notebook is a new interactive environment for JVM developers. This article will cover the main Notebook features and how you can utilize them to improve your productivity. How to use Kotlin Notebook Kotlin Notebook is bundled with IntelliJ IDEA starting from the 2025.1 release, and it is easier than ever to start working with […]

April 17, 2025

Smarter Kotlin Development With JetBrains AI: Junie and AI Assistant in IntelliJ IDEA

JetBrains AI is now a lot more useful for Kotlin developers. With the public release of Junie and a major update to AI Assistant, two powerful AI tools are now deeply integrated with JetBrains IDEs – and ready to help you move faster with less overhead. Whether you’re starting a new feature or cleaning up […]

April 16, 2025

KotlinConf 2025: Last Tickets, Epic Talks, an Evening to Remember, and More

We’re almost there – KotlinConf’25, the major Kotlin event of the year, is coming up soon! This time, it’s bigger, bolder, and packed with even more insights. Hear from Spring creator Rod Johnson, dive into a case study from Duolingo’s team, and discover how Kotlin Multiplatform powers navigation in the McDonald’s app. From not-to-miss sessions […]

Kotlin blog

Why Kotlin?

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 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 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 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 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

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 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.

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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.

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Start using Kotlin today!

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