http://lionshare.its.psu.edu/main -   The LionShare P2P project is an innovative effort to facilitate legitimate file-sharing among individuals and educational institutions around the world.

http://www.careo.org/index.html - CAREO is a project supported by Alberta Learning and CANARIE that has as its primary goal the creation of a searchable, Web-based collection of multidisciplinary teaching materials for educators across the province and beyond.

http://www.mcli.dist.maricopa.edu/mlx/ - The key to MLX is it being a place for exchange of ideas. Anyone from anywhere can browse and search the warehouse. Each "package" is represented by a descriptive "packing slip" that includes the name of the package creator, college(s) that were involved in developing it, contact information, a description, links to web sites associated with the package, and a collection of media attachments that include images, documents, spreadsheets, movie clips, etc. The attachments provided are free for educational use as long as credit is given to the package owner.

http://cnx.rice.edu/ - Connexions is an environment for collaboratively developing, freely sharing, and rapidly publishing scholarly content on the Web. Our Content Commons contains educational materials for everyone — from children to college students to professionals — organized in small modules that are easily connected into larger courses.

http://www.merlot.org/Home.po - MERLOT is a free and open resource designed primarily for faculty and students of higher education. Links to online learning materials are collected here along with annotations such as peer reviews and assignments.

http://www.eoe.org - This EOE is a community of Educators, Developers and Businesses working together to use, create, and collaborate upon Educational Java objects on the web. Currently, there are over 2400 educational Java objects in the library, covering virtually every subject area. These interactive simulations, illustrations, and exercises are available at no cost for anyone with web access to use.

http://www.ilumina-dlib.org/index.asp - iLumina is a digital library of sharable undergraduate teaching materials for chemistry, biology, physics, mathematics, and computer science. It is designed to quickly and accurately connect users with the educational resources they need. These resources range in type from highly granular objects such as individual images and video clips to entire courses.