Learning
Performance, Learning, Leadership, & Knowledge
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OpenCourseWare Consortium
Creative Commons
iCommons
Open Invention Network
Foundation for a Free Information Infrastructure
Libre.org
The Open Knowledge Foundation
The Open Content Alliance
OER Africa
Communities
Blogs
Courses and study guides
MIT OpenCourseWare
The OER Commons
Massive Free Education List
The Autodidact Project's Study Guides
ADUni.org
ArsDigita Computer Science University (Internet Archive)
United Nations University OpenCourseWare
Publishers
The National Academies Press
The Baen Free Library
Textbooks
The Assayer
Open Text Book
FreeTechBooks.com
Free High School Science Texts
FreeScience.info
California Open Source Textbook Project
The Free Textbook Project
Online Mathematics Textbooks
ibiblio Open Book Project
Samizdat Press
Books
List of digital library projects
Project Gutenberg
ibiblio
Bartleby.com
Literature.org
Questia library
The Online Books Page
World Wide School Library
University of Adelaide Library eBooks
The British Columbia Digital Library
The Internet Public Library
The Open Library
The Universal Library
The Universal Digital Library