REI3 Alternatives

REI3 is described as 'Open low-code application platform. Free for individuals and organizations, anyone can use REI3 to rapidly build multi-user applications' and is an app in the office & productivity category. There are more than 10 alternatives to REI3 for a variety of platforms, including Windows, Linux, Mac, Web-based and iPhone apps. The best REI3 alternative is Budibase, which is both free and Open Source. Other great apps like REI3 are Zoho Creator, Corteza, Jmix and Tadabase.

REI3 iconREI3
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REI3 is an open low-code application platform. Free for individuals and organizations, anyone can use REI3 to rapidly build...

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REI3 alternatives page was last updated Feb 26, 2025
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  1. Budibase icon

    Budibase

     18 likes
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    Budibase is an open-source low-code platform, helping developers and IT professionals build, automate, and ship internal tools 50x faster on their own infrastructure.

    62 Budibase alternatives

    License model

    • Freemium • Open Source

    Application type

    Country of Origin

    • GB flagUnited Kingdom

    Platforms

    • Self-Hosted
    • Software as a Service (SaaS)
    Budibase screenshot 1

    Budibase Features

    1.  No Coding Required

    Budibase VS REI3

     

    • Budibase is the most popular SaaS & Self-Hosted alternative to REI3.

    • Budibase is the most popular Open Source & free alternative to REI3.

    • Budibase is Freemium and Open SourceREI3 is Free and Open Source
  2. Zoho Creator icon

    Zoho Creator

     33 likes
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    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.

    110 Zoho Creator alternatives

    License model

    • Freemium • Proprietary

    Application type

    Country of Origin

    • IN flagIndia

    Platforms

    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Apple Watch
    Zoho Creator across devices

    Zoho Creator Features

    1.  Works Offline
    2.  Custom login portal
    3.  Web-Database
    4.  Customer Analytics
    5.  Vendor Management

    Zoho Creator VS REI3

     

    • Zoho Creator is the most popular Web-based, Android, iPhone, iPad & Android Tablet alternative to REI3.

    • Zoho Creator is Freemium and ProprietaryREI3 is Free and Open Source
  4. Corteza icon

    Corteza

     20 likes
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    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.

    3 Corteza alternatives

    License model

    • Free • Open Source

    Application type

    Country of Origin

    • GB flagUnited Kingdom

    Platforms

    • Self-Hosted
    Authentication

    Corteza Features

    1.  API Integration
    2.  Workflow Management
    3.  Data export/import
    4.  Java based
    5.  Custom templates
    6.  Data visualization

    Corteza VS REI3

     
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    Caspio icon
    Caspio

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    Caspio provides an intuitive visual application builder that guides you through every aspect of creating sophisticated cloud applications. Create custom web forms, searchable databases, multi-user portals, interactive dashboards,...

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  6. Jmix icon

    Jmix

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

    48 Jmix alternatives

    License model

    • Freemium • Open Source

    Application types

    Country of Origin

    • GB flagUnited Kingdom

    Platforms

    • Mac
    • Windows
    • Linux
    Jmix screenshot 1

    Properties

    1.  Customizable

    Features

    1.  Rad
    2.  Java IDE
    3.  Built-in Auditing
    4.  Ide integration

    Jmix VS REI3

     

    • Jmix is the most popular Windows, Mac & Linux alternative to REI3.

    • Jmix is Freemium and Open SourceREI3 is Free and Open Source
  7. Tadabase icon

    Tadabase

     8 likes
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    The DIY web app builder that lets you manage, collaborate, and interact with your data without ever writing a single line of code. Build the exact application your company needs with our commitment to giving you full and total control of your web app with advanced features...

    License model

    • Freemium • Proprietary

    Application types

    Country of Origin

    • US flagUnited States

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Self-Hosted
    Sample Helpdesk App

    Tadabase Features

    1.  No Coding Required
    2.  Real time collaboration
    3. Dropbox icon  Dropbox integration
    4.  Custom Domain

    Tadabase VS REI3

     
  8. Caspio icon

    Caspio

     7 likes
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    Caspio provides an intuitive visual application builder that guides you through every aspect of creating sophisticated cloud applications. Create custom web forms, searchable databases, multi-user portals, interactive dashboards, automated workflows and much more — in a fraction...

    48 Caspio alternatives

    License model

    Application types

    Country of Origin

    • US flagUnited States

    Platforms

    • Online
    • Amazon Web Services
    Caspio screenshot 1

    Properties

    1.  Privacy focused

    Features

    1.  No Coding Required
    2.  WYSIWYG Support
    3.  Import CSV Data
    4.  Database Publishing
    5.  Web-Database
    6.  Platform as a service

    Caspio VS REI3

     

    • Caspio is the most popular commercial alternative to REI3.

    • Caspio is Paid and ProprietaryREI3 is Free and Open Source
    • Caspio is Privacy focusedREI3 is not according to our users
  10. OpenXava icon

    OpenXava

     8 likes
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    OpenXava is a Web Java Framework for Rapid Development of Enterprise Applications.

    License model

    • Free • Open Source

    Platforms

    • Mac
    • Windows
    • Linux
    OpenXava screenshot 1

    OpenXava Features

    1.  No Coding Required
    2.  Rad

    OpenXava VS REI3

     
  11. Linx iPaaS icon

    Linx iPaaS

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

    License model

    Application type

    Country of Origin

    • ZA flagSouth Africa

    Platforms

    • Windows
    Database Connection Editor

    Properties

    1.  Lightweight

    Features

    1.  Support for scripting
    2.  Cloud Sync
    3.  Extensible by Plugins/Extensions
    4.  Dark Mode
    5.  Ad-free
    6.  No Coding Required
    7.  Recurring Tasks
    8.  Works Offline
    9.  Email Scheduling
    10.  XML import / export
    11.  Business process automation
    12.  Rad

    Linx iPaaS VS REI3

     
  12. Mendix App Platform icon

    Mendix App Platform

     34 likes
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    Mendix enables companies to build, integrate and deploy web and mobile applications faster and with better results, effectively driving ROI in days not months.

    License model

    Application type

    Country of Origin

    • NL flagNetherlands
    • European Union flagEU

    Platforms

    • Windows
    • Linux
    With the Mendix-Salesforce.com Connector, securely extend your instance of Salesforce.com with amazing multi-device apps. Gain the flexibility of an open standards platform without the complexity of Apex code/

    Mendix App Platform Features

    1.  Real time collaboration
    2.  Automated deployment
    3.  Drag and Drop
    4.  Manage requirements
    5.  Rad
    6.  Platform as a service

    Mendix App Platform VS REI3

     
  13. Ninox icon

    Ninox

     5 likes
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    Create your own Business Application with Ninox that matches your workflow. Ninox lets you integrate CRM, ERP, HR and many more...

    30 Ninox alternatives

    License model

    Country of Origin

    • DE flagGermany
    • European Union flagEU

    Platforms

    • Mac
    • iPhone
    • iPad
    Organize people, projects and inventory

    Ninox Features

    1.  Workflow Management

    Ninox VS REI3

     
  14. Warewolf icon

    Warewolf

     2 likes
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    Warewolf is a low-code software development tool which allows you to build, integrate and deploy enterprise systems at incredible speeds.

    License model

    Application type

    Country of Origin

    • GB flagUnited Kingdom

    Platforms

    • Windows
    • AWS Mobile Hub
    • Microsoft Azure
    Using a flow-based design which is visual, developers and business can work hand in hand in an easy-to-understand system that documents automatically through workflows.

    Warewolf VS REI3

     
  15. Aware IM icon

    Aware IM

     Like
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    Web Application Builder to Build rich web database applications in a fraction of the time. No programming, database driven.

    License model

    Application type

    Country of Origin

    • GB flagUnited Kingdom

    Platforms

    • Mac
    • Windows
    • Linux
    Aware IM screenshot 1

    Aware IM Features

    1.  Portable
    2.  Java based

    Aware IM VS REI3

     
12 of 16 REI3 alternatives