Academic Earth is described as a "user-friendly educational ecosystem that will give internet users around the world the ability to easily find, interact with, and learn from full video courses and lectures from the world’s leading scholars."
The purpose of the Open Video Project is to collect and make available a repository of digitized video content for the digital video, multimedia retrieval, digital library, and other research communities.
TEDTalks (presentations and performances) from TED and partners. All of the talks are subtitled in English, and many are subtitled in various languages. These videos are released under a Creative Commons license, so they can be freely shared and reposted.
A National Preserve of Documentary Films about American Roots Cultures streamed with essays about the traditions and filmmaking. The site includes transcriptions, study and teaching guides, suggested readings, and links to related websites.
Every C-SPAN program aired since 1987 is contained in the C-SPAN Archives and immediately accessible through the database. Programs are indexed by subject, speaker names, titles, affiliations, sponsors, committees, categories, formats, policy groups, keywords, and location. The congressional sessions and committee hearings are indexed by person.