Below are some recommended open source resources in a variety of formats. This is just a sample of the countless resources available!
Open textbooks are free, online learning materials with Creative Commons licenses. Many of the collections will have links to the same books, but each will have a particular focus and items not found in other collections.
Free textbooks written by professors from the world’s top universities. Specialties include business/economics, engineering, IT & natural sciences.
Open textbook organization initiated at the University of California.
Rice University initiative that offers peer-reviewed textbooks.
University of Minnesota initiative that offers peer-reviewed textbooks.
Provides college-level open textbooks from higher education institutions around the world.
Multimedia Educational Resource for Learning and Online Teaching (MERLOT) is a curated resource of free and online textbooks for use in teaching and learning.
Open textbooks for the 40 highest enrolled first- and second-year subject areas in British Columbia's public, post-secondary system.
A free collection of mathematics-related open textbooks. Includes supplements and a link to order print copies of the book.
Creator, publisher, distributor, and seller of open textbooks and ancillary materials to college-level students.
Milne Publishing at SUNY Geneseo manages and maintains Milne Open Textbooks, a catalog of open textbooks authored and peer-reviewed by SUNY faculty and staff.
Books and journals from several distinguished university presses and scholarly societies.
Cultural and educational books and ebooks.
Searchable text, images and audio content.
Internet Archive - Moving Image Archive
Free collection of classic full-length films, daily news broadcasts, cartoons and concerts.
National Debate Coaches Association Open Video Project
A collection of lectures, demonstration debates, and other lessons shared by debate programs and summer debate institutes.
Indiana University hosts one of the world’s largest educational film and video collections, which includes over 130,000 items spanning nearly 80 years of film production.
This engine developed by George Mason University searches across 21 sources of open educational materials.
This engine from SUNY searches open content from 90 sources.
The Directory of Open Access Journals was launched in 2003 at Lund University, Sweden, with 300 open access journals and today contains approximately 10,000 open access journals covering all areas of science, technology, medicine, social science and humanities.
The Public Library of Science publishes scholarly articles in the fields of science and medicine within its stable of subject-specific journals.
Want to use an image in your project but worried about copyright? There is a wealth of images on the web that can be used or reproduced without restriction.
Search websites for images you can share, use, and remix. Creative Commons allows creators of works to release them into the public domain or license works by placing some restrictions on their use.
Searchable database of photographs to reuse or share.
Use advanced search filters to limit your results to images that are free to use or share.
Public domain clip art.
Photos licensed under the Creative Commons Zero (CC0) license - free to be used for any legal purpose.
Free images and video.
There is a wealth of freely accessible digital material on the web, including photographs, books and historical documents. Below is just a small sample of the many resources available.
Fully searchable database of primary source materials held in archives, libraries, museums and historical societies around the world.
Digital library of Internet sites and other cultural artifacts in digital form.
The Library of Congress offers a vast digital library of Internet sites and other cultural artifacts in digital form.
The U.S. National Archives offers access to information on American history and government, archival administration, information management, and government documents.
The New York Public Library offers over 851,785 items digitized from its vast collections.
Open Education Resource repositories contain more than just open textbooks - they also include lesson plans and course materials. All content featured within these pages is free but usage rights vary. Materials in these repositories are released under a Creative Commons license while some are in the public domain.
OER Commons is a library of OER materials containing over 50,000 high-quality Open Education Resources.
Collection of shareable course materials, including syllabi, course activities, readings, and assessments.
Cultural and educational media, including courses .
Supports faculty in identifying and selecting high quality Open Education Resources, aligning these to learning outcomes, and assembling them to create OER-based courses.
Textbooks, articles, supplements, and other resources that can be read online or downloaded for free.
Free, peer reviewed collection of online teaching and learning materials maintained by the California State University System.
A nonprofit initiative that offers open online courses at the college and professional level.
Library of free open source textbooks and other materials from the State of California Higher Education System
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Free and open collection of high-quality learning materials presented in the form of courses.
A web-based publication of materials from thousands of MIT courses.
Portal of educational resources and services built specifically for use by those in community and technical colleges.
Internet Archive
Contains downloadable free courses, video lectures, and supplemental materials from universities across the globe.