Business Software for Everyone

Open-source, free to use, extendable and powerful –
REI3 is an open low-code platform for business applications

Enterprise-ready applications

REI3 comes with a growing number of ready-to-use business applications that help you manage employee time, passwords, tasks, assets and much more. All free to use with no user limit.

With the integrated application builder, you can fulfill new requirements by building on applications or by creating new ones. With its low-code development interface, simple requirements can be implemented in minutes, while complex applications can also be built quickly.

Easy to setup

Get REI3 running quickly on Windows and Linux servers or test on Windows PCs with the portable version. With modern web technologies, REI3 offers a rich frontend on workstations and mobile devices.

REI3 also comes pre-packaged with CoreCompany – our bundle of the most often used business applications. Get up und running immediately with CoreCompany or install individual applications directly from within REI3.

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A growing platform

Using REI3 you get access to a growing ecosystem of business applications. All current and future applications benefit from the growing feature set of the platform. LDAP authentication & authorization, CSV handling, ICS calendar access, clustering, email processing, change histories, end-to-end encryption, integrated backups and many more are currently included.

Applications running on REI3, regardless of whether they are developed in-house or not, benefit from the platform being regularly updated; this includes bug-fixes, security patches, but also new features.

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REI3 is also free for commercial use


View our most popular REI3 applications


Let us know if you have special requirements