All of the learning materials presented on this site are CC licensed, but don't confuse "Learning Spaces" with the full Open University- their licensing/copyrights are different.
The WA Open Course Library project offers 81 of Washington's most enrolled courses. There are a lot of great readings in these course files. Great community college content
HippoCampus, a project of the Monterey Institute of Technology and Education (MITE), is full of high-quality resources in a variety of subjects. It is aimed at high school and college level users.
A social network of video producers. This is a great place to look for a wide variety of content- some is completely open for redistribution, some is open access.
Creative Commons has created this really useful search engine that lets you search for resources that are CC licensed. The image search is the most useful.
Rice Connexions is providing peer reviewed, quality open textbooks with interactive components. There are some amazing textbooks available here, with more in production.
Find the full text of classics and public domain works from the first massive ebook creating organization in existence. Nothing fancy here, just files with the full text.
Lyryx offers high-quality open textbooks in the fields of accounting, mathematics, and economics. They also have optional added (paid) resources such as homeworks and quizzes to accompany the open textbooks.
Temoa is a public and multilingual catalog of Open Educational Resources (OER) from Tecnológico de Monterrey in México. A large part of the content is in Spanish.
This repository contains learning materials, software, data, and models for teaching quantitative skills in undergraduate biology courses. QUBES is developed in part by faculty at the University of Pittsburgh.
Materials in the Applied Math and Science Educational Repository are free for use and adaptation. Most resources are at the high school and community college levels.
The mission of Free is to make the learning resources of the US Government easier to find. There are over 1500 lessons, objects, and tools for teaching from the federal government located here.
Open resource for faculty and librarians about Research Assignments. A research assignment is anything that requires students to engage with information resources in a critical or reflective way. This most often includes finding, retrieving, analyzing and evaluating, using and integrating, or organizing the information in order to produce new knowledge.