Koog is a Kotlin-based framework designed to build and run AI agents entirely in idiomatic Kotlin.

A sample app exploring what's possible with Compose on Android

Markdown renderer for Kotlin Multiplatform Projects (Android, iOS, Desktop), using Compose.

Public API management tool

Running any GGUF SLMs/LLMs locally, on-device in Android

Algorithms and data structures in Kotlin.

A collection of UI libraries for Android using Jetpack Compose

Plexus Xml

The official Kotlin SDK for Model Context Protocol servers and clients. Maintained in collaboration with JetBrains

A tree-sitter language pack

🤗 smolagents: a barebones library for agents that think in code.

iReal Pro to MusicXML converter.

Staff detection and rectification of single image musical documents

Latest generation of Audiveris OMR engine

The missing Java distribution of native C++ libraries

Kotlin Multiplatform (KMP) library for reading resources in tests

An extension library for voyager and Navigation Compose to use native iOS navigation from Compose multiplatform

Compose Multiplatform library to scope ViewModels to a Composable, surviving configuration changes and navigation

A lightweight type safe builder to build xml documents in Kotlin

A lightweight Kotlin Multiplatform port of JDK IO classes (Reader, InputStream, BufferedReader, etc.), with support for character encoding via Charset.

🔧 JetBrains Qodana’s official command line tool

Server for executing kotlin code

Reactive Distributed communication framework for .NET, Kotlin, C++. Inspired by Rider IDE.

Compose Hot Reload: Make changes to your UI code in a Compose Multiplatform application, and see the results in real time. No restarts required. Compose Hot Reload runs your application on the JetB…

Create React apps using Kotlin with no build configuration

Calculate the score of a repository based on best engineering practices.

Kotlin DSL for HTML

Kotlin multiplatform benchmarking toolkit

PDF builder written in Kotlin with a statically typed DSL