Kotlin

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, an…

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! Join the contest!

Thinking about sharing your Kotlin expertise on the big stage? Check out some best practices for conference proposals and insider advice from JetBrains speakers, KotlinConf program committee members, and experienced presenters.

Amper is an experimental, standalone build tool by JetBrains, for server-side and Kotlin Multiplatform development. Read on for the latest updates!

If you’ve ever tried building a system of multiple AI agents, you’ve probably run into the problem. It starts simple enough: you’ve got one agent writing blog posts, another proofreading them, and maybe a third suggesting or generating images. Individually, they’re effective. But getting them to work together? That's where things might start falling apart.

Explore SDKs, Spring AI, MCP, Koog, and Junie – see how Kotlin powers AI apps and enhances your workflow with integrated AI tools.

OpenAPI and WebRTC support have been available in preview since the Ktor 3.3.0 release. See what else is coming to Ktor!

Have you given a talk before – maybe at a meetup, online event, or a smaller conference – and wondered if you're ready for a bigger stage like KotlinConf? This supportive and practical webinar is designed for people from underrepresented groups in tech who already have some speaking experience an…

The Kotlin 2.2.20 release is out! This version delivers important changes for web development and other improvements. Learn more!

Join us live from the ICPC World Finals in Baku, Azerbaijan, for a special event. This year, we are hosting a head-to-head match where two of the world’s top competitive programmers, Andrew ‘ecnerwala’ He and David ‘SecondThread’ Harmeyer, will speed-solve Kotlin problems in real time.  Save…

Featuring Langfuse and W&B Weave Support, Ktor Integration, Native Structured Output, iOS Target, GPT-5, and More. Koog 0.3.0 was about making agents smarter and persistent. Koog 0.4.0 is about making them observable, seamlessly deployable in your stack, and more predictable in their outputs …

Explore data science using Kotlin: connect to PostgreSQL, analyze with DataFrame, and plot insights with Kandy in this powerlifting case study.