Ktor is a framework for building asynchronous servers and clients in connected systems using the powerful Kotlin programming language. Ktor consists of two parts: the server engine and a flexible asynchronous HTTP client.


Vaadin Framework is described as 'Vaadin is a web application framework for Rich Internet Applications (RIA). In contrast to Javascript libraries and browser-plugin based solutions, it features a robust server-side architecture. This means that the largest part of the application logic runs securely on the' and is a Web Framework in the development category. There are more than 10 alternatives to Vaadin Framework for a variety of platforms, including Windows, Linux, Mac, Self-Hosted and Web-based apps. The best Vaadin Framework alternative is Ktor, which is both free and Open Source. Other great apps like Vaadin Framework are Jmix, Spring, Snice and Play!.
Ktor is a framework for building asynchronous servers and clients in connected systems using the powerful Kotlin programming language. Ktor consists of two parts: the server engine and a flexible asynchronous HTTP client.


Jmix provides powerful full stack architecture along with Rapid Application Development tools for easy start and fast development of modern business web applications.




Spring makes programming Java quicker, easier, and safer for everybody. Spring’s focus on speed, simplicity, and productivity has made it the world's most popular Java framework.

A web component library with 130+ ready-to-use UI components. Drop-in buttons, tables, modals, date pickers, forms, and more. Works anywhere — no framework required.
Play is a web application framework, written in Scala and Java, which follows the model–view–controller (MVC) architectural pattern.
GWT is a development toolkit for building and optimizing complex browser-based applications. GWT is used by many products at Google, including Google AdWords and Google Wallet. It's open source, completely free, and used by thousands of enthusiastic developers around the...
Components and fullstack framework for serverside building web apps in Java.




Apache Struts is an open-source web application framework for developing Java EE web applications. It uses and extends the Java Servlet API to encourage developers to adopt a model-view-controller (MVC) architecture.
Design and build complex Web Applications directly in Visual Studio using C# or VB.NET and a rich library of components.




The most popular open source ajax Java web framework integrating jQuery, Spring, JPA, Hibernate, JavaEE, Grails, Scala and many more. Check the demo to see how powerful it is.

A naked objects framework for wicket that enables developers to write less boilerplate wicket code. Without sacrificing the flexibility and control you are used from wicket. Improving productivity by a measurable factor and making wicket more fun.

Spring Roo is a next-generation rapid application development tool for Java developers. With Roo you can easily build full Java applications in minutes. It differs from other productivity tools by focusing on:
Its secure even though it still doesn't have a lot of supports