Big Integers and decimals in Kotlin Common

🧩 Java modules published at Maven Central

Build terminal UI in Kotlin using Jetpack Compose

Gradle plugin for publishing to Nexus repositories

🗺️ MAPS.ME — Offline OpenStreetMap maps for iOS and Android

Extensions to the Kotlin Flow library.

A grammar generator based on tracery: https://github.com/galaxykate/tracery

Quickly rewrite git repository history (filter-branch replacement)

Additions for Kotlin's date & time library kotlinx-datetime

A community-driven specification process for mathematics libraries in Kotlin

Kotlin multiplatform benchmarking toolkit

See your battery percentage in the Windows 10 system tray

Fuzzer for Kotlin compiler. Found > 65 unique bugs in kotlinc v1.1.4-3.

Recipes for building multi-platform Kotlin modules.

Java 8 Date/Time API enhancements for Groovy

Efficient Immutable/Persistent Collections for Java

Korim: Kotlin cORoutines IMaging, Bitmap and Vector graphics for Multiplatform Kotlin

The Big List of Naughty Strings is a list of strings which have a high probability of causing issues when used as user-input data.

Absurdly high performance immutable collections.

Enhancing Java Stream API

Library support for Kotlin coroutines

Examples for coroutines design in Kotlin

Stream utilities for Java 8

Kotlin Evolution and Enhancement Process

Immutable Collection Libraries and Additional Utilities for Kotlin

Kovenant. Promises for Kotlin.

NLog - Flexible and Structured Logging for various .NET Platforms

FeatureSwitcher is little library for feature switches/toggles.