NucleusFramework

Native desktop platform for the JVM. Compose Multiplatform apps with real OS integration — native window decorations, notifications, taskbar and dock, code signing, installers, auto-update — packaged for macOS, Windows and Linux from a single Gradle DSL. Runs on the JVM or as a GraalVM native image.

Gradle plugin to use Kotlin/Native code transparently from JVM via FFM

MacOs 26 Design UI library for Compose Multiplatform

Nucleus 2.0 website + docs (Next.js + Fumadocs, bilingual EN/FR)

A Kotlin Multiplatform PDF rendering and text-extraction library built on top of pdfium and Compose Multiplatform. Compose-first API, and a sample desktop/mobile reader with thumbnails, progressive rendering, and selectable text.

ComposeTray is a Kotlin library that provides a simple way to create system tray applications with native support for Mac, Linux and Windows. This library allows you to add a system tray icon, tooltip, and menu with various options in a Kotlin DSL-style syntax.

Offline Ai translator for desktop

ComposeNativeWebView is a lightweight Compose Multiplatform WebView using native OS web engines via Wry (Rust) + UniFFI. It provides a familiar API without bundling Chromium, resulting in smaller binaries and faster startup across Android, iOS, and Desktop.

RodioKt is a Kotlin JVM wrapper around the Rust `rodio` engine. It offers a compact API to play local files, HTTP(S)/HLS streams, internet radio (ICY), and to quickly generate a sine tone for testing.