Netty project - an event-driven asynchronous network application framework
Lightning fast and elegant mvc framework for Java8
Source for the TechEmpower Framework Benchmarks project
Portofino 5 is the next generation of the open source radid web development framework Portofino. Its purpose is to help developers create modern, responsive enterprise applications with REST APIs and an Angular UI.
A simple expressive web framework for java. News: Spark now has a kotlin DSL https://github.com/perwendel/spark-kotlin
A damn simple library for building production-ready RESTful web services.
Rapidoid - Extremely Fast, Simple and Powerful Java Web Framework and HTTP Server!
CUBA Platform is a high level framework for enterprise applications development