The Kotlin Programming Language.

Pleasant Android application development

Make a cool intro for your Android app.

A modern JSON library for Kotlin and Java.

Demos the new Android Design library.

Painless Kotlin Dependency Injection

Orbit - Virtual actor framework for building distributed systems

Kotlin gRPC implementation. HTTP/2 based RPC

A multiplatform Result monad for modelling success or failure operations.

Awesome books, tutorials, courses, and resources for the Ktor framework ecosystem. ⚡

Kotlin version of Spring Petclinic

WireQuery is the first full-stack session replay and API call exploration tool. Using WireQuery, you get a holistic overview of how an issue came into existence.

Kotlin ORM for JDBC and R2DBC

Pull Request-like Review/Approval flow for database queries. For compliant but smooth Engineering access to production.

Suggested Ktor architecture

High-performance HTTP service for PlantUML, used in Kibela

🐳 A testcontainers sample app written in Kotlin to unit test Cassandra data access layer .

Kotlin <3

書籍「Kotlin サーバーサイドプログラミング実践開発]のサーバーサイドKotlinのサンプルコードをアレンジしたもの