Bored of Spring Boot? Afraid of Spring Boot? Looking out for Spring Boot alternatives, just for fun? Some of the popular alternatives to it are listed below, for you to explore it yourself: Eclipse Vert.x : is a toolkit for building reactive applications on JVM. Jodd : is a set of micro-frameworks and developer-friendly tools and utilities. Use it to get your MVP out of the door quickly. Ninja Web Framework : is a full-stack cloud-ready web-framework for Java. Fluent Http : is the simplest fastest full fledged web server we could come up with. Jboss ThornTail : is optimized for micro-service architectures on Java platform. It wraps the web-apps on Wildfly app servers .