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Top 23 Kotlin kotlin-multiplatform Projects
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GitHub-Store
🩵 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 -
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koin
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 | 2025-12-21Koin is a lightweight dependency injection framework for Kotlin that:
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Seems pretty similar to the design of OKIO in java [1]. With pretty similar goals ultimately.
[1] https://github.com/square/okio
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CalendarView
A highly customizable calendar view and compose library for Android and Kotlin Multiplatform.
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AboutLibraries
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
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apollo-android
:rocket: A strongly-typed, caching GraphQL client for the JVM, Android, and Kotlin multiplatform.
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Store
A Kotlin Multiplatform solution for working with data. Whether you’re building alone or with a team of thousands, Store can help (by MobileNativeFoundation)
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PeopleInSpace
Kotlin Multiplatform sample with SwiftUI, Jetpack Compose, Compose for Wear, Compose for Desktop, and Compose for Web clients along with Ktor backend.
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Decompose
Kotlin Multiplatform lifecycle-aware business logic components (aka BLoCs) with routing (navigation) and pluggable UI (Jetpack Compose, SwiftUI, JS React, etc.)
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KaMPKit
KaMP Kit by Touchlab. A collection of code & tools designed to get your mobile team started quickly w/Kotlin Multiplatform
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kmp-production-sample
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.
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Ktorfit
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
For the client (Android, iOS, Desktop), we use Ktorfit. It’s essentially "Retrofit for KMP."
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compose-rich-editor
A Rich text editor library for both Jetpack Compose and Compose Multiplatform, fully customizable, supports HTML and Markdown.
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gradle-maven-publish-plugin
A Gradle plugin that publishes your Android and Kotlin libraries, including sources and javadoc, to Maven Central or any other Nexus instance.
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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.
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spmp
Note: Mostly non-functional, see README --- A YouTube Music client with a focus on customisation of colours and song metadata. Built with Compose Multiplatform for Android and desktop.
NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
Kotlin kotlin-multiplatform discussion
Kotlin kotlin-multiplatform related posts
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From Closures to an AST in a Kotlin Transform Graph
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I built GitHub Store to 12,500 stars in 6 months – I started at 16
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Show HN: Open-Source AI That Builds Screens, Not Just Text
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GitHub Store: Your One-Stop Shop for Open-Source Apps!
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App Store for GitHub Releases
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KMP Native UI view model injection for iOS and Android
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Show HN: CLI and TUI for Elasticsearch and OpenSearch
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A note from our sponsor - SaaSHub
www.saashub.com | 8 Jun 2026
Index
What are some of the best open-source kotlin-multiplatform projects in Kotlin? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | GitHub-Store | 14,384 |
| 2 | koin | 9,982 |
| 3 | okio | 9,001 |
| 4 | SQLDelight | 6,809 |
| 5 | CalendarView | 5,542 |
| 6 | AboutLibraries | 4,325 |
| 7 | apollo-android | 3,952 |
| 8 | Store | 3,397 |
| 9 | PeopleInSpace | 3,341 |
| 10 | Kodein | 3,329 |
| 11 | Decompose | 2,830 |
| 12 | Splitties | 2,585 |
| 13 | KaMPKit | 2,430 |
| 14 | twine | 2,324 |
| 15 | kmp-production-sample | 2,271 |
| 16 | multiplatform-settings | 2,229 |
| 17 | Ktorfit | 2,061 |
| 18 | compose-rich-editor | 1,786 |
| 19 | LinuxCommandLibrary | 1,748 |
| 20 | gradle-maven-publish-plugin | 1,715 |
| 21 | firebase-kotlin-sdk | 1,689 |
| 22 | Emoji | 1,631 |
| 23 | spmp | 1,444 |
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