Kotlin Library GitHub Repositories (2026) · Open Source Tools

A curated list of awesome Kotlin related stuff Inspired by awesome-java.

A coroutine-first SQL toolkit with compile-time query validations for Kotlin Multiplatform. PostgreSQL, MySQL/MariaDB, and SQLite supported.

🔎 An HTTP inspector for Android & OkHTTP (like Charles but on device)

The official MongoDB drivers for Java, Kotlin, and Scala

An implementation of the OpenTelemetry specification as a Kotlin Multiplatform Library

Module that adds support for serialization/deserialization of Kotlin (http://kotlinlang.org) classes and data classes.

tinylog is a lightweight logging framework for Java, Kotlin, Scala, and Android

Port of a popular ruby faker gem written in kotlin. Generate realistically looking fake data such as names, addresses, banking details, and many more, that can be used for testing and data anonymization purposes.

Type-safe library for work with Telegram Bot API

Spring Boot Starter for Logback-access.

Spring Boot Starter for Orika.

Explicit types for Kotlin Multiplatform.

Generates Kotlin Code from OpenAPI 3 Specifications

Simple java library for displaying dates as relative time ago language.

⚡ Kotlin Coroutines binding APIs for Android UI widgets from the platform and support libraries