mass & public access to research papers
Internet archive consisting of free books, movies, software, and more
free public domain audiobooks read by volunteers from around the world
links to Free Computer, Mathematics, and Technical Books from all over the World
file-sharing-based shadow library
open repository of academic articles free to read
e-library
eLibrary provides 1,205,974 research papers
open repository of academic articles
…self-explanatory
there's no one like us free resources page 