The program is built and maintained by the Biering & Brinkmann company of Germany, and access to a web version is available through subscription.
[2] Each database contains individual records that describe published books and articles, authors, ancient objects, images, etc.
These publications generally cover topics about Classical Studies, i.e. the history and archaeology of the region around the Mediterranean Sea from about 800 BCE to 476 CE.
A record about an article would contain the title, publication date, and page numbers, as well as a link to the author, the journal, any reviews of the work, and a list of subject headings.
Since Projekt Dyabola's interface is about 10 years old, a number of weaknesses are now becoming apparent, especially when compared to similar, more modern systems.
Another issue is that there are points where a user may like to return to a previous screen, but this option is not made available and the browser's back button is purposely disabled.
The weaknesses of the system can be fully enumerated in comparison with a newer software packages that serves a similar function.