REI3 icon
REI3 icon

REI3

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

REI3 screenshot 1

Cost / License

  • Free
  • Open Source

Platforms

  • Windows  Windows Server 2016 or higher
  • Linux  PostgreSQL 13 or higher
  • Online
  • Self-Hosted  Windows, Linux or Docker - ARM64 or X64 processor
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No reviews
11likes
3comments

Features

Suggest and vote on features

Properties

  1.  Privacy focused
  2.  Lightweight
  3.  Clean design

Features

  1.  Import CSV Data
  2.  Multiple languages
  3.  Portable
  4.  Technical versatility
  5.  Ad-free
  6.  End-to-End Encryption
  7.  Subtasks
  8.  Calendar Integration
  9.  Recurring Tasks
  10.  Kanban Board
  11.  Works Offline
  12.  Gantt-charts
  13.  No registration required
  14.  Two-factor Authentication
  15.  No Tracking
  16.  Dark Mode
  17.  Shared Folders
  18.  Reminders
  19.  Drag and Drop
  20.  Data export/import
  21.  Workflow Automation

 Tags

REI3 News & Activities

Highlights All activities

Recent News

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Recent activities

  • fleupold added Ad-free as a feature to REI3
  • Creative_joe, tf and PredatorQ liked REI3
  • REI3_Gabriel updated REI3
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Comments and Reviews

   
 Post comment/review
Top Positive Comment
Guest
1

Open Source, selfhosted

Review by a new / low-activity user.
ojaatka
0

Very well thought-out and flexible. A real game changer

fleupold
1

It's perfect for database-related apps. The structure is very well thought-through, and all kinds of relations and queries are possible.

Review by a new / low-activity user.

What is REI3?

Free yourself from walled gardens and cloud-only SaaS offerings. REI3 enables powerful low code applications, selfhosted in the cloud or on-premise. Create and then use, share or even sell your REI3 applications.

A wide range of publicly shared applications are also available, installed with a single click. Track employee time, manage tasks, control assets, manage requests, safely store passwords and more with ready-to-use REI3 applications.

REI3 comes with a large amount of features for small or more complex software requirements:

  • Turnkey solution with integrated database and backups for smaller teams.
  • Optimized for different screen sizes, installable on mobile devices as well.
  • Many input & presentation options, including forms, calendars, charts, color inputs, file managers, Gantts and much more.
  • Powerful access management with control over individual records if needed.
  • Front- & backend functions to control data, apply business logic or adjust forms dynamically.
  • Functions for modern end-to-end encryption (E2EE).
  • Freely configurable REST APIs.
  • CSV imports and exports.
  • Email processing for incoming and email generation for outgoing messages.
  • PDF generation from data inside your applications.

REI3 is a free and open source low-code platform with community as well as enterprise support options, where desired.

Official Links

REI3 information

  • Developed by

    DE flagLean Softworks
  • Licensing

    Open Source (MIT) and Free product.
  • Written in

  • Alternatives

    16 alternatives listed
  • Supported Languages

    • English
    • German

AlternativeTo Categories

Office & ProductivitySecurity & PrivacyDevelopmentFile Sharing

GitHub repository

  •  503 Stars
  •  72 Forks
  •  8 Open Issues
  •   Updated  
View on GitHub

Our users have written 3 comments and reviews about REI3, and it has gotten 11 likes

REI3 was added to AlternativeTo by Gabriel on and this page was last updated .