Cochrane Library (ISSN 1465-1858) is owned by Cochrane and published by Wiley. The library includes the Cochrane Database of Systematic Reviews (CDSR), Cochrane Central Register of Controlled Trials (CENTRAL), and Cochrane Clinical Answers (CCAs). Cochrane Library is an online collection of databases that provides high-quality, independent, peer-reviewed systematic reviews, trials, and Clinical Answers on health care–related topics. Much Open Access content is available as well. The database is sophisticated and allows for multiple facet searches, including title, title abstract, abstract, author, and trial registry number. There are options for Basic Search, Browse by Topic, Browse by Cochrane Review Group, and Advanced Search. A Cochrane Library app is available via the Apple Store and Google Play. Cochrane Library is freely available in the United Kingdom and a few other countries, which are listed on the main Cochrane website. In the United States, it is available through a subscription and valuable to any institution with health care–related programs.