Development Tools

Hexagon – microservices toolkit

Hexagon is a microservices toolkit written in Kotlin. Its purpose is to ease the building of server applications (Web applications or APIs) that run inside a cloud platform.

Hexagon is designed to fit in applications that conform to the Hexagonal Architecture (also called Clean Architecture, Onion Architecture or Ports and Adapters Architecture). Its design principles also fit into this architecture.

This is free and open source software.

Key Features

  • The HTTP server: supports HTTPS, HTTP/2, mutual TLS, static files (serve and upload), forms processing, cookies, sessions, CORS and more.
  • The HTTP client: which supports mutual TLS, HTTP/2, cookies, form fields and files among other features.
  • Template Processing: allows template processing from URLs (local files, resources or HTTP content) binding name patterns to different engines.
  • Modular – each feature (Port) or adapter is isolated in its own module. Use only the modules you need without carrying unneeded dependencies.
  • Pluggable Adapters – every Port may have many implementations (Adapters) using different technologies. You can swap adapters without changing the application code.
  • Batteries Included – contains all the required pieces to make production-grade applications: logging utilities, serialization, resource handling and build helpers.

Website: github.com/hexagontk/hexagon
Support: GitHub Code Repository
Developer: Juanjo Aguililla and Hexagon contributors
License: MIT License

Hexagon is written in Kotlin. Learn Kotlin with our recommended free books and free tutorials.


Related Software

Kotlin Web Frameworks
KtorAsynchronous framework for creating microservices, web applications and more
JavalinSimple web framework for Java and Kotlin
http4kLightweight but fully-featured HTTP toolkit
SparkSimple expressive web framework for Java and Kotlin
KVisionObject oriented web framework for Kotlin/JavaScript
KobwebModern framework for full stack web apps
HexagonBuild server applications (Web applications or APIs) that run inside a cloud platform
JoobyModern, performant and easy to use web framework for Java and Kotlin

Read our verdict in the software roundup.


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