Open Knowledge

Directory of Open Access Journals (DOAJ)

an online directory that indexes and provides access to high quality, open access, peer-reviewed journals

Free ebooks by Project Gutenberg

Free ebooks by Project Gutenberg at

Internet Archive

Internet Archive is a non-profit library of millions of free books, movies, software, music, and more a

Project MUSE:

Project MUSE: Online database of more than 200 journals from nonprofit publishers at