Download REI3

Deploy REI3 for your organization - on Windows or Linux servers. Open-source and free to use.

The current version is: 3.7.6

Try out REI3

We offer a public demo system for live testing - no registration required. You can also directly run a portable version on Windows.

REI3 with Docker

Quickly get a development or testing environment up and running - just download the Docker Compose file for your architecture.

Source Code

The REI3 application platform is released under the MIT license - the source code is also publicly available.

Visit GitHub

Offline instance?

Download REI3 files for your offline REI3 instance from the public repository.

Open public repository

First start?

Starting REI3 for the first time, the default username and password are both admin.

All releases

Version Windows (x64) Linux
Latest Installer Portable x64 arm64
3.7.6 Installer Portable x64 arm64
3.7.5 Installer Portable x64 arm64
3.6.2 Installer Portable x64 arm64
3.5.4 Installer Portable x64 arm64
3.4.3 Installer Portable x64 arm64

Standing data

Application Import file
Location All countries (German language)
Location German states
Location German cities
Location German holidays (until 2030)