6 Collections 1 Solution Open Source Observatory (OSOR) 687 collection OASIS Universal Business Language (UBL) Downloads: 39 solution European Interoperability Reference Architecture (EIRA) 103 collection Connecting Europe Facility (CEF) 254 collection NIFO - National Interoperability Framework Observatory 370 collection Joinup 19742 collection Semantic Interoperability Community (SEMIC) 530 collection