Open Access is a publishing model that enables the free online availability of journal articles and scholarship, permitting any user to read, download, copy, distribute, print, search, or link to the full texts of these works, crawl them for indexing, pass them as data to software, or use them for any other lawful, noncommercial purpose, without financial, legal, or technical barriers other than those inseparable from gaining access to the internet itself.
The foundations of Open Access were delineated by the following three seminal statements: