Flet enables developers to easily build realtime web, mobile and desktop apps in Python. No frontend experience required.
Cost / License
- Free
- Open Source (Apache-2.0)
Platforms
- Mac
- Windows
- Linux
- Python
- Flutter
Jmix is described as 'Provides powerful full stack architecture along with Rapid Application Development tools for easy start and fast development of modern business web applications' and is a popular Web Framework in the development category. There are more than 50 alternatives to Jmix for a variety of platforms, including Windows, Linux, Mac, Web-based and Self-Hosted apps. The best Jmix alternative is Django, which is both free and Open Source. Other great apps like Jmix are Ruby on Rails, Spring, REI3 and Delphi.
Flet enables developers to easily build realtime web, mobile and desktop apps in Python. No frontend experience required.
SQLPage is an open-source low-code web application development framework. It allows users to build and deploy web applications quickly and easily using only simple SQL queries. SQLPage is compatible with multiple databases including SQLite, MySQL, and PostgreSQL, enabling...




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.
Dropwizard straddles the line between being a library and a framework. Its goal is to provide performant, reliable implementations of everything a production-ready web application needs. Because this functionality is extracted into a reusable library, your application remains...
Alternative Java platform built from the ground up. It is minimalistic, boilerplate-free, and lightning-fast. ActiveJ has minimum third-party dependencies, yet features a full stack of technologies with an async programming model and powerful DI.



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.
Alfresco is an enterprise content platform that you can use in the cloud or behind your firewall. It helps you store and share the documents that every business depends on. Alfresco is built for the portability of the tablet and the power of the cloud.

Seam is a powerful open source development platform for building rich Internet applications in Java. Seam integrates technologies such as Asynchronous JavaScript and XML (AJAX), JavaServer Faces (JSF), Java Persistence (JPA), Enterprise Java Beans (EJB 3.
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.

Telosys is a lightweight Open Source code generator. This tool allows to generate any kind of language (Java, Python, GoLang, PHP, JavaScript, TypeScript, C#, etc). It works without UML model. All the code generation templates are customizable.


I like Telosys as an alternative to CUBA Platform because it's free, light and customizable. Furthermore the generated code is clean and completely independent from the generator (no adherence with the tool and hence total independence)