Kotlin Multiplatform GitHub Repositories (2026) · Open Source Tools

Open-source mobile SSH/Mosh terminal and native AI workspace for Android and iOS.

FeedFlow is a minimalistic RSS Reader available on Android, iOS, macOS, Windows and Linux. Built with Kotlin Multiplatform, Jetpack Compose and SwiftUI.

The (official) Music Assistant Mobile app is a cross-platform client application designed for Android and iOS. Developed using Kotlin Multiplatform (KMP) and Compose Multiplatform frameworks, this project aims to provide a unified codebase for seamless music management across multiple platforms.

📱 Syncplay Mobile (now Synkplay) is a Syncplay client app for Android and iOS. Watch stuff in sync with your friends. Compatible with the official Syncplay for PC. Fully written in Kotlin and Compose multiplatform.

Pairlet (formerly CC Pocket / cc-pocket) — Continue your local AI coding tasks from phone, tablet, or desktop.

Add interactive vector tile maps to your Compose app

🩵 A free, open-source app store for developers' releases on GitHub, Codeberg & Forgejo — browse, discover, and install apps with one click. Formerly GitHub Store.

SQLDelight - Generates typesafe Kotlin APIs from SQL

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

Cross-device clipboard sync for macOS, Windows & Linux — end-to-end encrypted, LAN-only, no cloud. OCR, CLI and MCP server built in.

A Multi-Platform friend "monitor" for VRChat.

2M+ app downloads, 500k+ monthly website visitors, Linux basics, tips and formatted man pages

Android application for Meshtastic

Pick and save Files, Medias and Folder for Kotlin Multiplatform / KMP and Compose Multiplatform / CMP

Minimalist, data-oriented pomodoro timer for Android and Desktop based on Material 3 Expressive

BuildConfig for Kotlin Multiplatform Project

Skills for Kotlin, Jetpack Compose, and Android development

Local-first multiplatform link organizer with optional self-hosted sync.

A plugin for generating BuildConstants for any kind of Gradle projects: Java, Kotlin, Groovy, etc. Designed for KTS scripts.

Open-source, multi-platform harness for AI agents - a native, multi-threaded operator's console (JVM, not Electron) to run Claude Code, Codex, Gemini or OpenCode with a real browser, terminal, editor, secrets & 100+ MCP tools. Built for enterprises, science & research.