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Kotlin — a multiplatform language sharing code across Android, iOS, desktop, and web

OSS health 89
About these scores

Discovery score is an unbounded weighted, log-compressed index of stars, watchers, forks, and contributors. Growth momentum is its change over the observed period; OSS health is a 0–100 score from available repository recency, Community Health, and release data.

Stars
53,405
Primary language
Kotlin
Repository last updated
Sep 13, 2026

Overview

Kotlin is a concise multiplatform programming language developed by JetBrains and contributors. Beyond the JVM, Kotlin Multiplatform and Compose Multiplatform can share business logic and user interfaces across Android, iOS, desktop, and web.

Features and best fit

Based on official documentation; not hands-on tested · Content checked:

Reuse common code while retaining platform-specific implementations

Teams can share business logic and UI across platforms while keeping the flexibility of native programming where necessary. The ecosystem also includes the compiler, standard library, Gradle and Maven plugins, and IDE integrations.

Sources: [1]

For products expanding from JVM and Android to multiple platforms

It is a candidate for teams that want to retain JVM or Android investments while gradually increasing shared code across mobile, desktop, and web. Separate common layers from platform-specific ones first, then validate interoperability with a small feature.

Sources: [1]

Separate using the language from building its compiler repository

Most users should start with the official getting-started guide; the Gradle build in this repository is for work on the compiler and plugins. Initial configuration downloads large IntelliJ dependencies. Kotlin is distributed under Apache License 2.0, its license documents are in a subdirectory, and GitHub's automatic license field is unset.

Sources: [1]

Official sources

  1. [1]Kotlin README(2026-09-13)
Supplemental curator note

Selected for concentrating compiler, IDE, and multiplatform discovery under a product-named repository owned by a broader software company.

Growth

Growth trends · Last 30 days

53,405 Stars

Trend data is still being collected.

Development activity

Last 90 days · weekly

Commits (last 30 days)
1,371
Open PRs
409

Development activity is still being collected.

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GitHub data

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GitHub Topics

  • kotlin
  • programming-language
  • compiler
  • gradle-plugin
  • maven-plugin
  • kotlin-library
  • intellij-plugin
  • wasm
  • webassembly
Stars
53,405
Forks
6,413
Watchers
1,489
Open issues
0
Primary language
Kotlin
Repository last updated
Sep 13, 2026
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