Javalin

lastmod 2021-09-18created 2021-09-181 edits

A lightweight web framework for Java and Kotlin

Features

• Aims to provide a simple yet great developer experience and excellent interoperability between Kotlin and Java
• Supports WebSockets, HTTP2, and Async Req
• Closer to a library than a framework
  • No need to extend anything
  • No @Annotation, Reflection, etc.
• OpenAPI support (including Swagger UI / ReDoc)
• Consists of a few thousand lines of code on top of Jetty, with performance similar to Raw Jetty

See also

• Java
• Kotlin

Favorite site

• Javalin web site