Netty project - an event-driven asynchronous network application framework
Source for the TechEmpower Framework Benchmarks project
A simple expressive web framework for java. Spark has a kotlin DSL https://github.com/perwendel/spark-kotlin
Vecty lets you build responsive and dynamic web frontends in Go using WebAssembly, competing with modern web frameworks like React & VueJS.
A damn simple library for building production-ready RESTful web services.
Lightning fast and elegant mvc framework for Java8
The modular web framework for Java and Kotlin
CUBA Platform is a high level framework for enterprise applications development