What are the various forms of free online scholarship?
PS: There are many ways to divide the genus into species. Some free online works are peer-reviewed and some are not. Some are books and some are journal articles (the kind that matters most to me are peer-reviewed journal articles and their preprints). There are even many new genres for scholarship that didn’t exist in print, such as multimedia presentations, interactive charts, and weblogs. Some works are interactive and some are not. Some are static (unchanging after publication) and some are dynamic (periodically updated or modified). Some are in the public domain, some are copyrighted, and some have more exotic licenses like copyleft, trans-copyright, open content, and author-designed licenses. Some reside at journal or publisher sites, some at university or library sites, some in independent archives, and some at personal home pages. Some are contained in interoperable collections (to make life easier for readers and search engines) and some are not. Some reside in the deep Intern
