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Protect, promote and advance the development of the Kotlin programming language

Founding members

Gold members

Key goals

• Provide financial support to Kotlin ecosystem projects.
• Control incompatible changes to the language.
• Preserve the Kotlin trademarks.

Kotlin now

• 2.5M
  developers regularly write
  Kotlin code.
• 1.65M
  GitHub repositories currently use Kotlin as a primary language.
• 400+
  universities all over the world are teaching Kotlin.

Latest news

February 02, 2026

Join the Kotlin Ecosystem Mentorship Program

The Kotlin Foundation is launching the Kotlin Ecosystem Mentorship program. Many developers want to contribute to Kotlin-related open-source projects but don’t know where to start or feel intimidated about contributing. At the same time, maintainers are overwhelmed. This program is designed to fix…Read more

November 19, 2025

Google Summer of Code 2025 – IntelliJ Platform Gradle Plugin – Gradle Reporting and Parallel Verifications

For Victoria Alajemba, a Software Engineer from Nigeria studying in Paris, GSoC was a bridge between learning and impact. Working on the IntelliJ Platform Gradle Plugin, she integrated Gradle’s Problems API and Reporting API, creating richer, standardized reports and exploring parallel verification…Read more

Look how we’ve grown up

KotlinConf 2024 Keynote