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




Linx iPaaS is described as 'Linx is a powerful integration platform (iPaaS) that enables organizations to connect all their data sources, systems, and applications' and is an app in the development category. There are more than 25 alternatives to Linx iPaaS for a variety of platforms, including Windows, Web-based, Linux, Mac and SaaS apps. The best Linx iPaaS alternative is REI3, which is both free and Open Source. Other great apps like Linx iPaaS are Talend, Jmix, Caspio and Salesforce Platform.
REI3 is an open low-code application platform. Free for individuals and organizations, anyone can use REI3 to rapidly build multi-user applications.




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