REI3 is an open low-code application platform. Free for individuals and organizations, anyone can use REI3 to rapidly build multi-user applications.
Cost / License
- Free
- Open Source (MIT)
Platforms
- Windows
- Linux
- Online
- Self-Hosted




OpenXava is described as 'Web Java Framework for Rapid Development of Enterprise Applications' and is an app in the development category. There are more than 25 alternatives to OpenXava for a variety of platforms, including Windows, Linux, Mac, Web-based and Android apps. The best OpenXava alternative is REI3, which is both free and Open Source. Other great apps like OpenXava are Delphi, Jmix, Zoho Creator and Spring.
REI3 is an open low-code application platform. Free for individuals and organizations, anyone can use REI3 to rapidly build multi-user applications.




Embarcadero Delphi, formerly CodeGear Delphi and Borland Delphi, is a software development environment for Microsoft Windows applications originally developed by Borland and now owned and developed by Embarcadero Technologies.






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




It can cover what openxava does, and gives much more to developers


Almost everyone thinks Jmix is a great OpenXava alternative.
Low-code platform simplifying app development by reducing complexity. Create mobile, tablet, and web apps with custom forms, workflows, and integrations. Features auto-pilot, management controls, customizable dashboards, and language support.




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.

Corteza is a 100% free, open-source, low-code platform for building your organization’s key applications, growing its productivity and protecting its data and the privacy of all those concerned.




PowerApps lets you generate business apps automatically by simply specifying one of a variety of data sources, or you can create apps from scratch. You can then customize them, share and run them or run apps others have created and shared with you.






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...




Linx is a powerful integration platform (iPaaS) that enables organizations to connect all their data sources, systems, and applications.




The jam.py is an object-oriented, event-driven framework with hierarchical structure. All this, in combination with very tight DB/GUI coupling, is the base for the DRY (don't repeat yourself) principle that is underlying the framework.



Xataface is a flexible and shapable skin that sits on top of MySQL, making it accessible to every-day users. It automatically generates the appropriate forms, lists, and menus for a user to interact with the database without having to know any SQL.



openxava is online and alternative to 'low coding', Delphi is IDE, only coding