This is a project from the «Verein für Computergenealogie» (association for computer-aided genealogical research).
This database contains photos of gravestones, the dates and information from the deceased persons mentioned on it. In the left column, there is a list of cemeteries and names mentioned on the gravestones.
Instructions for active participation: legal basics, recommendations for the photographic recording, editing of image files as well as rules for entry into the database. Please refer to the guideline for the digital recording of gravestones in cemeteries. In addition, there are examples on how to take a photo of a gravestone.
If you have any questions, please read the FAQ (frequently asked questions). Possibly an answer to your question is already available.