"Wikidata is a free linked database that can be read and edited by both humans and machines. Wikidata acts as central storage for the structured data of its Wikimedia sister projects including Wikipedia, Wikivoyage, Wikisource, and others. Wikidata also provides support to many other sites and services beyond just Wikimedia projects! The content of Wikidata is available under a free license, exported using standard formats, and can be interlinked to other open data sets on the linked data web."

Multilingual Dictionary of Cataloguing Terms and Concepts

"The Multilingual dictionary of cataloguing terms and concepts contains definitions for many terms and concepts used by the library cataloguing community. Terms and definitions are available in English and a variety of other languages.
The MulDiCat project was begun by Monika Muennich in 1998 for IFLA's Cataloguing Section. It was stored in a proprietary database developed by Bernard Eversberg in 2003. It has now re-emerged in part as a Word table and as a SKOS file on the new IFLA Namespace.

Europeana Fashion Thesaurus

"The Europeana Fashion project aims to create a multilingual thesaurus in 10 languages (English-French-German-Dutch-Italian-Serbian-Swedish-Spanish-Portugese-Greek) for fashion and fashion-related concepts. The aim is to grasp and structure in a faceted and hierarchical way the complexity and variety of fashion as a cultural domain. It will focus not only on the objects that are the result of creative processes in the fashion industry, but also on the processes themselves and the resources and techniques used (focus on object – material – technique). The thesaurus will be developed:

Electropedia: The World's Online Electrotechnical Vocabulary

"Electropedia (also known as the 'IEV Online') is the world's most comprehensive online electrical and electronic terminology database containing more than 20 000 terms and definitions in English and French organized by subject area, with equivalent terms in various other languages (...). (...) Electropedia is produced by the IEC, the world’s leading organization that prepares and publishes International Standards for all electrical, electronic and related technologies – collectively known as 'electrotechnology'.

FAO Glossary of Biotechnology for Food and Agriculture

"The 'Glossary of Biotechnology for Food and Agriculture' is a revised, augmented version of the 'Glossary of Biotechnology and Genetic Engineering' published by FAO in 1999. The idea for such a collection of terminology associated with the rapidly expanding fields related to or deriving from biotechnology and genetic engineering, was stimulated by the difficulty of communicating effectively in discussions at intergovernmental level. On various occasions, simple differences of interpretation of terminology have threatened to de-rail negotiations of international importance.

WHO Classification of Tumours of the Central Nervous System

"A possibility of systematisation of cns-tumours is the distinction regarding the cellular origin, the cell composition and growth behavior, on which the classification of the World Health Organization (WHO) is based. The latest version dates from 2007, which established - compared to previous versions - mostly a precise adjustment of the diagnosis and which is only in some cases a complete makeover.

International Classification of Primary Care

"ICPC (International Classification of Primary Care) is a clinical coding system. The first version of ICPC published in 1987 is referred to as ICPC-1. The version in the 1993 publication “The International Classification of Primary Care in the European Community: With a Multi-Language Layer” is known as ICPC-1. The second version from 1998 is referred to as ICPC-2. ICPC-2e is an electronic version from year 2000 of the revised and corrected chapters 10 and 11 of the ICPC-2 book.

International Classification of Diseases

"The International Classification of Diseases (ICD) is the standard diagnostic tool for epidemiology, health management and clinical purposes. This includes the analysis of the general health situation of population groups. It is used to monitor the incidence and prevalence of diseases and other health problems. It is used to classify diseases and other health problems recorded on many types of health and vital records including death certificates and health records.