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

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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.

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highlights from 2025

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Latest news

April 21, 2026

Create This Year’s KMP Contest Starter Kit

Every year, students and recent graduates compete in the Kotlin Multiplatform Contest to build apps and earn a trip to KotlinConf. To support their efforts, the Kotlin Foundation is offering a new grant for the creation of a KMP Contest Starter Kit. Up to $30,000 is available to support the selectedRead more

February 23, 2026

Winners of the Kotlin Foundation Grants Program 2025

The Kotlin Foundation is pleased to announce the winners of the 2025 Kotlin Foundation Libraries Grants Program. This year, the program attracted strong interest from across the community, with 117 applications submitted by library authors working to advance the Kotlin ecosystem. After a thoroughRead more

Look how we’ve grown up

KotlinConf 2024 Keynote
KotlinConf 2024 Keynote
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