Square’s meticulous HTTP client for the JVM, Android, and GraalVM.

Framework for quickly creating connected applications in Kotlin with minimal effort

A simple and modern Java and Kotlin web framework

Kotlin multiplatform / multi-format serialization

The Functional toolkit for Kotlin HTTP applications. http4k provides a simple and uniform way to serve, consume, and test HTTP services.

Java & Kotlin Async DataBase Driver for MySQL and PostgreSQL written in Kotlin

High-performance, low-cost microservice governance platform. Service Discovery and Configuration Service | 高性能、低成本微服务治理平台