• Web-based inventory management

    Platform independent, open source and modularly expandable

The modern business software for small and medium-sized companies.

Cloud inventory management

Use the Cloud Solution for better teamwork and efficient processes, even at different locations.

Simple & Innovative

An innovative ERP system with extensive Functions which is very easy and uncomplicated to use.

Modularly Expandable

Thanks to modular expandability, your ERP system grows with your company in a future-proof manner.

Write Your Success Story!

Reduce your administrative effort: DEWAWI was developed specifically for small and medium-sized companies so that you can easily concentrate on your core business. Thanks to the new technologies, you can view all your data anywhere, anytime. No matter where you are, you always have an insight into the processes.

ERP System Online & Mobile

DEWAWI is a very flexible and uncomplicated ERP system, you can either install the system on your own web server or start straight away with our Cloud Solution. DEWAWI is completely Open Source and is available free of charge with a full range of functions and without restrictions. Development focuses on fast and efficient business processes.


Discover how easy it is to manage the master data and get to know the standard modules.


ERP system to download or as a Cloud Solution including support. Choose the version that suits you.

Merchandise management optimal for start-ups, small businesses and freelancers

If your company was founded not more than a year ago, you as a business founder can benefit from the software at a special price.

What drives us?

We are a young and committed team from Düsseldorf with a passion for information technology and open source. In order to meet our own requirements, our team is well trained, informed about current developments, certified and is constantly training.

  • Flexible and Expandable

    We attach great importance to uncomplicated and flexible systems

  • Free Software

    We focus exclusively on open source solutions

  • Competent Consulting

    We take time for you and advise you competently and in detail

  • Project Planning and Implementation

    Innovative special solutions for optimal business processes

Free as freedom, now and forever!

DEWAWI is an open source project under GNU General Public License Version 3 for free use for the user, expressly also for commercial users.


When developing, we also take your requirements and wishes into account. Inquiries for troubleshooting or new functions will be gladly accepted and fixed or implemented as soon as possible. We also deliver configured servers designed for different company sizes. We are also happy to offer installation and maintenance services on request.

How can we help you?

Below you will find the options to contact us

Do You Have Questions?

Then please Contact us straight away. Our team of refrigeration and air conditioning experts will be happy to answer your questions.

FAQ - Frequently Asked Questions

In our FAQ area you will find relevant information and help on products.