- Culturegraph
- DNB Linked Data Service
- IN2N: Integration of authority data from Deutsche Nationalbibliothek and Deutsches Filminstitut
- lobid - hbz's LOD service
- Magnus Pfeffer (Stuttgart Media University) (https://github.com/mapfde)
- Herzog August Bibliothek Wolfenbüttel (https://github.com/dmj)
- maintain a PICA-based search index (beta)
- various ad-hoc transformations ("Metafacture -- The XSL for PICA")
- D:SWARM - Project by SLUB Dresden for developing a data management platform for the automatic linking of library data
- project swissbib and linked-swissbib