Top 23 kotlin-multiplatform Open-Source Projects

1. GitHub-Store

   1 6 14,384 9.8 Kotlin

   🩵 A free, open-source app store for GitHub releases — browse, discover, and install apps with one click. Powered by Kotlin and Compose Multiplatform for Android & Desktop (Linux, MacOS, Windows).

   

   Project mention: I built GitHub Store to 12,500 stars in 6 months – I started at 16 | news.ycombinator.com | 2026-05-08

2. SaaSHub

   www.saashub.com featured

   SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives

   

3. koin

   2 28 9,982 9.1 Kotlin

   Koin - a pragmatic lightweight dependency injection framework for Kotlin & Kotlin Multiplatform

   

   Project mention: Part 5: Wire Everything with Koin - Ktor Native Worker Tutorial | dev.to | 2025-12-21

   Koin is a lightweight dependency injection framework for Kotlin that:

4. okio

   3 16 9,001 8.9 Kotlin

   A modern I/O library for Android, Java, and Kotlin Multiplatform.

   

   Project mention: We deserve a better streams API for JavaScript | news.ycombinator.com | 2026-02-27

   Seems pretty similar to the design of OKIO in java [1]. With pretty similar goals ultimately.

   [1] https://github.com/square/okio

5. SQLDelight

   4 33 6,809 9.4 Kotlin

   SQLDelight - Generates typesafe Kotlin APIs from SQL

   

6. kmp-awesome

   5 4 5,765 5.3

   An awesome list that curates the best Kotlin Multiplatform libraries, tools and more.

   

7. CalendarView

   6 5 5,542 7.7 Kotlin

   A highly customizable calendar view and compose library for Android and Kotlin Multiplatform.

   

8. AboutLibraries

   7 4 4,325 9.3 Kotlin

   AboutLibraries automatically collects all dependencies and licenses of any gradle project (Kotlin MultiPlatform), and provides easy to integrate UI components for Android and Compose Multiplatform environments

   

9. apollo-android

   8 10 3,952 9.4 Kotlin

   :rocket:  A strongly-typed, caching GraphQL client for the JVM, Android, and Kotlin multiplatform.

   

10. Store

    9 21 3,397 5.0 Kotlin

    A Kotlin Multiplatform solution for working with data. Whether you’re building alone or with a team of thousands, Store can help (by MobileNativeFoundation)

    

11. PeopleInSpace

    10 9 3,341 8.0 Kotlin

    Kotlin Multiplatform sample with SwiftUI, Jetpack Compose, Compose for Wear, Compose for Desktop, and Compose for Web clients along with Ktor backend.

    

12. Kodein

    11 3 3,329 7.3 Kotlin

    Painless Kotlin Dependency Injection

    

13. Kotlin-Multiplatform-Libraries

    12 5 3,194 6.6

    Kotlin Multiplatform Libraries. Welcome PR if you find or create new Kotlin Multiplatform Library.

    

14. Decompose

    13 20 2,830 8.3 Kotlin

    Kotlin Multiplatform lifecycle-aware business logic components (aka BLoCs) with routing (navigation) and pluggable UI (Jetpack Compose, SwiftUI, JS React, etc.)

    

15. Splitties

    14 3 2,585 6.2 Kotlin

    A collection of hand-crafted extensions for your Kotlin projects.

    

16. KaMPKit

    15 10 2,430 6.1 Kotlin

    KaMP Kit by Touchlab. A collection of code & tools designed to get your mobile team started quickly w/Kotlin Multiplatform

    

17. twine

    16 4 2,324 9.9 Kotlin

    Twine: A multiplatform RSS reader built using Kotlin and Compose (by msasikanth)

    

18. kmp-production-sample

    17 30 2,271 4.2 Kotlin

    This is an open-source, mobile, cross-platform application built with Kotlin Multiplatform Mobile. It's a simple RSS reader, and you can download it from the App Store and Google Play. It's been designed to demonstrate how KMM can be used in real production projects.

    

19. multiplatform-settings

    18 5 2,229 5.2 Kotlin

    A Kotlin Multiplatform library for saving simple key-value data

    

20. Ktorfit

    19 4 2,061 9.0 Kotlin

    HTTP client generator / KSP plugin for Kotlin Multiplatform (Android, iOS, Js, Jvm, Native, WasmJs)) using KSP and Ktor clients inspired by Retrofit https://foso.github.io/Ktorfit

    

    Project mention: Modern KMP (Part 1): The End of the "404 Not Found"2 | dev.to | 2026-01-11

    For the client (Android, iOS, Desktop), we use Ktorfit. It’s essentially "Retrofit for KMP."

21. compose-rich-editor

    20 3 1,786 8.4 Kotlin

    A Rich text editor library for both Jetpack Compose and Compose Multiplatform, fully customizable, supports HTML and Markdown.

    

22. LinuxCommandLibrary

    21 2 1,748 9.5 Kotlin

    1M+ downloads Linux reference app with basics, tips and formatted man pages

    

23. gradle-maven-publish-plugin

    22 3 1,715 9.5 Kotlin

    A Gradle plugin that publishes your Android and Kotlin libraries, including sources and javadoc, to Maven Central or any other Nexus instance.

    

24. firebase-kotlin-sdk

    23 5 1,689 7.8 Kotlin

    A Kotlin-first SDK for Firebase

    

    Project mention: Implementing Firebase Google Login in Kotlin Multiplatform (KMP) | dev.to | 2026-01-25

    While Firebase provides native SDKs for JS, iOS, and Android, it does not yet officially support KMP. As a workaround, the community-led GitLive Firebase SDK is widely used for KMP support. However, its feature set is not yet complete. Specifically, the JVM platform has a very minimal implementation for the Auth API, forcing us to manually call the Firebase REST API.

kotlin-multiplatform related posts

• From Closures to an AST in a Kotlin Transform Graph

  3 projects | dev.to | 18 May 2026

• I built GitHub Store to 12,500 stars in 6 months – I started at 16

  1 project | news.ycombinator.com | 8 May 2026

• Show HN: Open-Source AI That Builds Screens, Not Just Text

  1 project | news.ycombinator.com | 8 Apr 2026

• GitHub Store: Your One-Stop Shop for Open-Source Apps!

  1 project | dev.to | 6 Apr 2026

• App Store for GitHub Releases

  1 project | news.ycombinator.com | 24 Mar 2026

• KMP Native UI view model injection for iOS and Android

  1 project | dev.to | 23 Mar 2026

• Show HN: CLI and TUI for Elasticsearch and OpenSearch

  1 project | news.ycombinator.com | 10 Mar 2026
• A note from our sponsor - SaaSHub
  www.saashub.com | 7 Jun 2026

  SaaSHub helps you find the best software and product alternatives Learn more →

Index

Sponsored

SaaSHub - Software Alternatives and Reviews

SaaSHub helps you find the best software and product alternatives

www.saashub.com