vert.x Original author(s) Tim Fox Developer(s) Tim Fox, VMWare, Red Hat, Eclipse Foundation Stable release 3.5.0 / October 20, 2017 (2017-10-20)[1] Repository https://github.com/eclipse/vert.x Development status Active Written in Java, JavaScript, Apache Groovy, Ruby, Scala, Kotlin, Ceylon, Python, Clojure Operating system Cross-platform Platform Java Virtual Machine Type Event-driven networking License Apache License version 2.0 Website vertx.io