

REI3
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
Platforms
- Windows
- Linux
- Online
- Self-Hosted
Features
Properties
- Privacy focused
- Lightweight
- Clean design
Features
- Import CSV Data
- Multiple languages
- Portable
- Technical versatility
- Ad-free
- End-to-End Encryption
- Subtasks
- Calendar Integration
- Recurring Tasks
- Kanban Board
- Works Offline
- Gantt-charts
- No registration required
- Two-factor Authentication
- No Tracking
- Dark Mode
- Shared Folders
- Reminders
- Drag and Drop
- Data export/import
- Workflow Automation
Tags
- Web Application
- Low Code
- web-app-builder
- open-source-projects
REI3 News & Activities
Recent News
- Fla published news article about REI3
REI3.11 update: Global Search, OpenID connect, and improved file handlingREI3.11 introduces a global search feature, letting users query data across all applications from a...
- Fla published news article about REI3
REI3.10 launches with major updatesREI3.10, the latest REI3 update, is out now featuring an extensive array of enhancements targeted a...
Recent activities
- REI3_Gabriel updated REI3
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.









Comments and Reviews
Open Source, selfhosted
Very well thought-out and flexible. A real game changer
It's perfect for database-related apps. The structure is very well thought-through, and all kinds of relations and queries are possible.