Apps similar to Roll include Django, which is free and open source. Other options are Flask Framework, FastAPI, Flet and Frappe Framework. You can choose from more than 10 Web Frameworks like Roll for Linux, Mac, Windows, self-hosting and the web.
Spark Framework is a simple and expressive Java/Kotlin web framework DSL built for rapid development. Sparks intention is to provide an alternative for Kotlin/Java developers that want to develop their web applications as expressive as possible and with minimal boilerplate.
Sweden
EU
Play Framework is an open-source web application framework which follows the model–view–controller architectural pattern. It is written in Scala and usable from other programming languages that are compiled to JVM Bytecode, e.g. Java.
Javalin - A lightweight Java and Kotlin web framework. Create REST APIs in Java or Kotlin easily.
United States
