This is not an exhaustive list of free ebook platforms, but this is a selection of quality ebooks available to all patrons from any location.
The primary aim of DOAB is to increase discoverability of Open Access books. The books included in DOAB are from academic publishers and have been subjected to independent and external peer review prior to publication.
Google Books is a free search engine that allows you to search the full text of books and magazines that Google has scanned. Users can rate and review books on Google Books and these ratings and reviews could be used as impact metrics. In addition, you can use Google Books to search for citations to other publications within the full text of digitized books. Research suggests that Google Book citations correlate significantly and positively with Web of Science citations.
The HathiTrust Digital Library provides access to public domain content from a variety of sources, including Google, the Internet Archive, Microsoft, and in-house partner institution initiatives.
Contains a wide range of fiction, children's literature, historical and academic texts.
This site by the University of Pennsylvania lists over three million free books on the internet.
Open Library is a project of the Internet Archive, which aims to provide a page on the web for every book ever published. It currently has over 20 million edition records online and provides access to 1.7 million scanned versions of books.
Over 70,000 free online books.
Contains 'public domain' ebooks in Australia, which have been prepared by volunteers.
700+ electronic editions of academic books available for free to the public.
Over 6000 books from the University of Michigan General Collection, scanned for preservation.