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

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Gold members
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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 2024

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View annual report

Latest news

August 05, 2025

🚀 Welcome Sergei Rybalkin to the Kotlin Foundation Board!

We’re excited to welcome Sergei Rybalkin, Senior Staff Software Engineer at Meta, as the newest member of the Kotlin Foundation Board. With Meta joining as a Gold Member, Sergei brings over a decade of hands-on experience in advancing Kotlin acrossRead more

May 22, 2025

Meta Joins the Kotlin Foundation as the first Gold Member

We’re excited to announce that Meta has joined the Kotlin Foundation as the first Gold Member. Welcoming such a major technology leader adds a great perspective from a company operating at scale, and opens up new possibilities to help us to achieveRead more

Look how we’ve grown up

KotlinConf 2024 Keynote
KotlinConf 2024 Keynote
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hello@kotlinfoundation.org