Findable, Accessible, Interoperable and Reusable - FAIR for short - are principles for the provision of digital data. The principles are currently being established in the world of research data in order to maximise their value for business, society and science.

The FAIR principles place high demands on the digital provision of OER, which are only supported to a limited extent by established platforms. With regard to the FAIR criteria, this applies in particular to a globally unique identifier, ideally with a digital object identifier (DOI) with a URL for both the data and the metadata, whereby the metadata must contain a reference to the DOI of the data resource.

Further challenges arise in the environment of the tools with which OER are created in the majority of cases. They contradict the demand for accessible, commonly used and widely applicable languages for knowledge representation. In the context of OER, for example, this applies to file formats such as .pptx or .docx, which make transfer to other software environments and workflows as well as exchange between different operating systems more difficult. Markdown is a simple, human- and machine-readable markup language that makes it possible to define content and formatting independently of the desired digital output formats such as pdf, html or epub. An extensive field of development has emerged around Markdown, which aims to adapt it for scientific and teaching use and develop suitable software solutions. The project evaluates and implements suitable developments to achieve the objectives.