Provides Open access academic research from top universities.

A discovery service for peer reviewed books published under an open access license, providing a searchable index with links to full texts.

Free, full text, quality controlled scientific and scholarly journals, covering all subjects and many languages.

An authoritative directory of academic open access repositories that allows selection by a variety of criteria and statistical charts.

Created to promote the free availability of medical books on the Internet.

Extensive collections covering Computer Science, Networking, Medical, Law, Business, and more.

Free E-journals on all research subject areas from different databases.

Free online computer science, engineering, and programming books and lecture notes.

Search full preview books and find download links for non-copyrighted ebooks.

Read and share free eBooks and Journals in Physical Sciences, Engineering, Health, and Social Sciences.

Provides out-of-copyright books formatted for mobile devices and e-readers.