Kotlin Weekly (Libraries)

Setup Kotlin Toolchain

Sun, 11 Oct 2026 00:00:00 GMT

setup-kotlin-toolchain is a community GitHub Action that installs JetBrains’ Kotlin Toolchain (formerly Amper) and caches the toolchain, JDKs and dependencies across platforms.

CMP Remove Unused Resources Plugin

Sun, 11 Oct 2026 00:00:00 GMT

cmp-remove-unused-resources-plugin is a Gradle plugin that finds and safely deletes unused Compose Multiplatform resources, with a dry-run mode and exclusion rules.

Android Traffic Control (atc)

Sun, 11 Oct 2026 00:00:00 GMT

Sebastiano Poggi’s atc is a daemonless CLI that hands out exclusive leases on Android emulators and physical devices, so several coding agents can run adb and Gradle tests in parallel without colliding.

Kotlin/WinRT

Sun, 11 Oct 2026 00:00:00 GMT

Kotlin/WinRT 0.1.0 projects Windows Runtime APIs into Kotlin, letting you build native WinUI 3 apps with shared Kotlin and XAML code-behind on both Kotlin/Native and the JVM.

Rekords

Sun, 11 Oct 2026 00:00:00 GMT

Rekords is a lightweight Kotlin Multiplatform storage library that maps annotated classes onto the platform’s own SQLite, IndexedDB or memory, with migrations, filters, transactions, observable queries and encrypted fields.

KmpInspector

Sun, 27 Sep 2026 00:00:00 GMT

Muhammad Waqas published KmpInspector, an in app debugging overlay for Compose Multiplatform on Android, iOS and desktop. A floating bubble opens onto panels for network traffic, database contents, background work, logs and crashes, so you can read all of it on the device with nothing plugged in. It hooks into OkHttp, Room, Ktor and WorkManager, or you feed it the data yourself.

Kourier

Sun, 27 Sep 2026 00:00:00 GMT

Kourier by dev-shushant covers similar ground for Android and iOS, and leans harder on getting the data out: HAR 1.2, runnable cURL commands and diagnostic reports, with recursive JSON masking, header and query parameter redaction, and payload truncation.

kojev

Sun, 27 Sep 2026 00:00:00 GMT

kojev by ItisNoMatter is a Kotlin Multiplatform client for Jev, the System One model from TypeSafe AI. Answers come back as your own enum or sealed type rather than as string keys, each with a calibrated probability, and it covers choice, score and true or false questions. It targets JVM, Android and iOS.

Arkive

Sun, 27 Sep 2026 00:00:00 GMT

Arkive by Infinum is a Gradle plugin that turns your Compose previews and XML layouts into a browsable web catalogue of components. The snapshots are recorded on the JVM through Roborazzi or Paparazzi, so there is no device or emulator in the loop, and it handles Kotlin Multiplatform modules as well.

Levyra

Sun, 27 Sep 2026 00:00:00 GMT

Levyra by LUC4N3X is an open source music player that keeps streamed tracks and local files in one library, written in Compose for Android and Compose Multiplatform with libVLC on Windows. It handles synced lyrics with romanization for non Latin scripts, SponsorBlock, a ten band equalizer with AutoEQ, offline downloads as plain M4A files and Android Auto, and it ships in 37 languages. There is no account to create.