Latest news
October 17, 2025
Koog 0.5.0 Is Out: Smarter Tools, Persistent Agents, and Simplified Strategy Design
We recently released Koog 0.5.0, introducing full Agent2Agent (A2A) protocol support, which makes it easier than ever to build systems of interconnected AI agents in Kotlin. But A2A is just the beginning. Koog 0.5.0 brings a host of improvements that make agents more persistent, tools smarter, and strategy design more intuitive. Let’s dive into the […]
October 9, 2025
Build a Kotlin Multiplatform Project and Win a Trip to KotlinConf 2026
This year’s Kotlin Multiplatform Contest for students and recent graduates is open. Build a project using KMP, and it could take you to KotlinConf 2026 in Munich, Germany! Whether you are already exploring Kotlin Multiplatform or just curious about how far you can take shared Kotlin code, seize the chance to challenge yourself, stand out, […]
October 8, 2025
Crafting Your KotlinConf Proposal: Expert Tips to Help You Stand Out
Thinking about sharing your Kotlin expertise on the big stage? KotlinConf is the premier event for all things Kotlin, and getting a talk accepted for inclusion in the conference is a fantastic way to contribute to the community and elevate your profile. However, submitting a talk proposal, especially for the first time, can feel daunting. […]
October 3, 2025
Amper Update, October 2025 – Compose Hot Reload and UX Improvements
Amper 0.8.0 is out, with Compose Hot Reload, a customizable Kotlin compiler version, new JavaScript and Wasm platforms, and many other improvements to both the IDE and CLI experience. Read on for all of the details, and see the release notes for the full list of changes and bug fixes. To get support for Amper’s […]
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")
}
}Kotlin in action
Share code on your terms and for different platforms
Kotlin + AI
JetBrains is investing in AI models tailored for Kotlin, providing open data, benchmarks, and AI-native tooling integrated into your workflow.
At the same time, Kotlin makes it easy to build your own AI-powered features with seamless backend integrations and a growing ecosystem.
What you get with Kotlin + AI
- Strong support across JetBrains AI tools like AI Assistant and Junie
- Robust functionality for building AI-powered apps on the JVM
- Native integration with tools like Spring AI and LangChain4j
- Open data and benchmarks for better code generation
Build your own AI agents with Koog
Koog is JetBrains’ new Kotlin-native framework for creating powerful AI agents that run locally, interact with tools, and automate complex tasks. Whether you’re developing a simple chat assistant or an advanced multi-step workflow, Koog gives you full control with clean Kotlin code – no external services are required. Build, extend, and experiment with AI agents entirely in Kotlin.
Get startedBig, friendly and helpful community
Kotlin Foundation
