Purchased and maintained by Clarivate Analytics since October, 2016, the Web of Science databases provide access and quality citation analysis to the broadest range available of research formats, including journals, books, data, patent literature, and conference proceedings. Complete citation coverage of material from 1900 to the present is available through this product. Unique in that it provides indexing for all authors, institutions, funding agencies, and references, the Web of Science platform features an interface that offers cover to cover indexing to every part of the article with the ability to link out to citations, data sets, and other metadata. Recent developments such as the curation of Open Access content continue to enhance the Web of Science brand over 50 years after its first inception. It remains the first go-to general resource for reliable citation and other bibliographic indexing.