About Us

We develop software for "Concrete CMS".

Bitter Digital Solutions UG (haftungsbeschränkt) was founded by Concrete CMS developer, online lecturer and book author Fabian Bitter as a result of his enthusiasm for his profession. We are also an approved Agency-Partner and have completed all certifications.

Certification Certification Certification Certification Certification Certification Certification Certification Certification Certification Certification Certification Certification Certification Certification Certification Certification Certification Certification Certification Certification Certification

What we do

One of our tasks is to develop software based on the Concrete CMS system, which was formerly also known as "concrete5". We not only produce software solutions, which you can find in our store or on the Concrete CMS marketplace, but also develop custom software according to customers' requests. If you are looking for an agency that is specialized in Concrete CMS, you are welcome to contact us and inform us about the requirements regarding your planned software solution. After that you will receive a free and non-binding offer from us.

In our store section, which you can also find on our website, you can buy ready-made software solutions. These are versions of the "Concrete CMS" system modified by us. The Starting Point packages are ideal for all those who are looking for a cost-effective software solution, which is created on a professional basis and also has a professional outward appearance. Would you like to learn more about these software solutions? You can find additional information on the respective product pages.

We are also proud owner of our own video recording studio. Here we continuously produce high-quality educational content about our products and product information videos.

Own Projects

Behind our client work and the add-on's that we have build for Concrete CMS in the past we are also running multiple own projects

The test-center.app is an project that helps operators of testing centers and other professions with appropriate permission to test against Covid. The project is available as an app in all major stores and runs on all systems and platforms. Digital Covid certificates (DCC) can be issued via the software. The project was implemented according to the guidelines of the Robert Koch Institute. Tested and approved by T-Systems International GmbH.

tarif7 is an online comparison portal for mobile phone rates. Customers can conclude contracts directly via the comparison portal. The project is connected to the telecommunications providers via an API interface and so order data and rates are automatically synchronized with the providers. Furthermore, the project has a feature-rich partner area. Partners can even run their own white labeled site.

The project Urheberrechts Zentrale is an online portal that automatically detect copyright infringements. Creators can protect their works. If a violation has been discovered, a lawyer can be consulted directly via the platform to take legal action against the violation.