Kotlin Multiplatform statistics library: distributions, hypothesis tests, correlation, descriptive stats, and sampling

Kotlin-Java interoperability wrapper generators

Tock, the open source conversational AI toolkit.

A collection of AI agent skills useful for projects using Kotlin language

Kotlin Multiplatform compression algorithms (zstd, deflate, gzip, brotli, ...)

Kotlin multiplatform units for representing SI and IEC bytes and bits, inspired by jakewharton/byteunits and kotlin.time.Duration

A comprehensive MCP server for Gradle.

YAML support for kotlinx.serialization

A Kotlin Multiplatform port of snakeyaml-engine

Multiplatform YAML parser & serializer for kotlinx.serialization written in pure Kotlin

Missing pieces of Kotlin puzzle 🧩

Mokksy is a mock HTTP server built with Kotlin and Ktor

Documentation of Gradle Module Metadata, Attributes, and Rules

Compiler plugin for kotlin that allows you to create indy calls

Ready to use docker image for running coding agents in docker in full-privileged mode. With pre-installed dependenices for JVM-based development.

One database for likes, views, follows — pre-computed, served in real-time

undertow.io web site

A Kotlin CalDAV client with offline sync and conflict resolution. Sync calendars with iCloud, Nextcloud, and other CalDAV servers.

Kotlin library for shuffling lists too big for memory or for ID obfuscation. Using bijective integer permutations with fast cycle-walking hash mixing.

A JVMTI agent that attaches to your JVM and kills it when things go sideways

Allows plugins hot reload in IntelliJ. Simplifies plugin development

An OpenAPI description for GitHub's REST API

Benchmarks, data and scripts for comparing Leyden with Graal Native Image

fast multi-lang runtime

Public repository for Agent Skills

Open-source media request and discovery manager for Jellyfin, Plex, and Emby.

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).

Gradle plugins for declaring ArchUnit rule libraries and evaluating rules in Gradle projects.

Common rules libraries for nebula-archrules-plugin