Sacra.Wiki is a digital encyclopedia dedicated to the history of the regulated Augustinian canons and canonesses. It brings together reference material about the people and religious institutions associated with this tradition, with articles and image files that users can explore through its wiki platform. The site currently lists 891 articles and 238 image files, and records 10,821 edits. It is maintained by a community of 4,447 experts, according to the information presented on its homepage.

Visitors can browse profiles of notable figures, including members and provosts of Stift Klosterneuburg, as well as entries about religious organizations such as Stift Göttweig and Stift Rottenmann. Sacra.Wiki also provides navigation tools for discovering recent changes, random pages, categories, and linked content. Users can create an account, contribute edits, create new pages, and upload files. The encyclopedia’s content is available under a Creative Commons Attribution license unless otherwise stated, and the project identifies Stift Klosterneuburg in its site information.