Research and Course Guides: Open Educational Resources: General Collections: By Type

Search Engines & Repositories

CC Search
Search tool from Creative Commons, allowing users to search for and filter CC-licensed content on multiple search tools and platforms at once.
OASIS
New resource created by SUNY Geneseo that allows access to 52 different OER sources that contain more than 150,000 items. OASIS offers users the ability to search a range of materials, including textbooks, courses and corresponding materials, interactive simulations, public domain books, audiobooks, modules, open access books, videos and podcasts on a variety of topics. Users can also limit searches by license or by faculty review.
Google Advanced Search
Allows filtering of search results by usage rights.
Mason OER Metafinder
Search multiple OER repositories at once and filter your results with this interface from George Mason University.

Academic Earth
Aggregation of open courses developed at 25 universities.
Class Central
MOOC List
Open Education Consortium Course Search

OER Commons
expansive and searchable collection of OER
MERLOT II
multimedia educational resource for learning and online teaching (MERLOT) provides a "peer reviewed collection"
Internet Archive - Open Educational Resources
free courses, video lectures, and supplemental materials from universities in the U.S. and China; many lectures are available for download
Canvas Commons
sign in with your Clemson credentials, then click "Commons"

Catalog of U.S. Government Publications This link opens in a new window
descriptive records for historical and current publications with direct links to some items
Defence Technical Information Center (DTIC) This link opens in a new window
the largest central resource for DoD and government-funded scientific, technical, engineering, and business-related information
National Service Center for Environmental Publications This link opens in a new window
search, view, download, print and/ or order Environmental Protecton Agency (EPA) publications
MetaLib This link opens in a new window
multiple U.S. Federal Government databases with links to reports, articles, and more
NASA Scientific & Technical Information (STI) Program This link opens in a new window
NASA and NACA reports, conference papers, journal articles, and more; includes documents and links to images and video clips
National Criminal Justice Reference Service (NCJRS) This link opens in a new window
summaries of criminal justice, juvenile justice, and substance abuse resources housed in the NCJRS Library collection
National Technical Reports Library (Public NTRL) This link opens in a new window
index to National Technical Information Service (NTIS) publications; 1990-present
National Library of Energy This link opens in a new window
results, project descriptions, and more from the U.S. Dept. of Energy's Office of Scientific and Technical Information (OSTI)
Science.gov This link opens in a new window
U.S. government science information, research, and development results from federal databases and websites
TRID This link opens in a new window
records from the Transportation Research Information Services and International Transport Research Documentation databases
USGS Publications Warehouse This link opens in a new window
U.S. Geological Survey (USGS) publications; includes Open File Reports and references to USGS reports and maps from 1880-present

Public Domain Repositories

General

HathiTrust This link opens in a new window HathiTrust contains millions of digitized publications from around the world, mainly from library, Google, and Internet Archive initiatives. To log in as a Clemson University member: click on LOG IN in the top right corner, select Clemson University from the dropdown menu, then Continue, and log in to the network using your CU username and password

Language / Subject

British History Online
Books and historical materials on the history of the British Isles.
Aozora Bunko
Repository of public domain Japanese language works.
Chinese Text Project
Pre-modern Chinese texts.
Association des Bibliophiles Universels
French language public domain works.
Canadiana
Public domain works and primary sources from Canada.

Open: Textbooks, Journals, Courses, and Courseware

Open Textbook Library
Textbooks on English Literature, Rhetoric, and Writing.
OpenStax
InTech Library
open access publisher with strong physical sciences, technology, and health collections
Directory of Open Access Books
OAPEN
A quality controlled collection of Open Access books, mainly in the area of Humanities and Social Sciences.
Libretexts

American Institute of Mathematics
textbooks approved by AIM
BCcampus OpenEd
government-supported initiative from British Columbia, Canada
GALILEO
supported by Affordable Learning Georgia
Libre Texts
A collaborative effort began by UC Davis to create freely available textbooks and other educational materials.
MIT Online Textbooks
openly-licensed textbooks and comprehensive course notes from MIT
MIT Press Open
open access titles published by MIT Press
Open SUNY
supported by SUNY OER Services
Saylor Academy Open Textbooks
over 100 free textbooks supported by the Saylor Foundation

TigerPrints This link opens in a new window
the Clemson University Institutional Repository
Directory of Open Access Journals (DOAJ) This link opens in a new window
hundreds of scientific and scholarly journals online

Sherpa/ RoMEO
your guide to open journals

InterDok This link opens in a new window
conference proceedings in all subject areas; 1994-present
JSTOR Early Journal Content This link opens in a new window
articles published before 1923

What is Open Access?
your guide to author's rights

Coursera
An education company that partners with universities and organizations to offer free courses.
Khan Academy
a non-profit "providing a free world-class education for anyone anywhere"
Open Course Library
Managed by the Washington State Board for Community & Technical Colleges
Open Learn
Website of the UK based Open University has over 1,000 free courses.
Saylor Foundation
Self-paced online courses targeted at the undergraduate level.
Lumen Learning
Organization offering affordable course materials. Has free courses in over 50 high enrollment college subjects.
edX
MIT and Harvard created MOOC course provider.

Open Software

FLOSS Manuals
Community-created manuals on how to use free software
Coggle
online mind-mapping tool with limited free account
Feedly
for Web, iOS, and Android
FeedReader
for Web, Windows, and Linux
QR Stuff
create custom-colored QR codes for various types of content
Delivr
create QR codes with multiple file type options (including SVG) and track 10 marketing campaigns for free

GIMP (GNU Image Manipulation Program)
image creation and manipulation software comparable Adobe Photoshop in its layers, brush editing, and other features
Audition
audio track recording, manipulation, and combination; excellent for adding a professional edge to podcasts and recorded presentations
Inkscape
create and edit images in scalable vector graphic (SVG) format; comparable to Adobe Illustrator
Sumopaint
web-based image editor similar to Adobe Photoshop

Blender
free and open-source software with versions for Windows, Mac, GNU/Linux, & FreeBSD
33 Brilliant Blender Tutorials
SketchUp
Make is free for personal, non-commercial work; Pro available to purchase for other uses
Tinkercad
free online app for 3D model creation
Houdini Apprentice
requires registration but this limited version for non-commercial use is free
Onshape
browser-based 3D CAD system allows unlimited public and 10 private designs for free

TurboSquid
search the 20,000+ models listed as free (or change the price filter to see an additional 40,000+)
MorphoSource
access and share tiff, dicom, stanford ply, and stl files for strictly non-commercial use
CG Trader - free models
browse thousands of free models by category (e.g. house, jewelry, hobby & DIY)
Thingiverse
MakerBot-branded community site for discovering, sharing, and downloading models
Pinshape
10,000+ free models with other available for purchase
YouMagine
more than 12,000 ready-to-print open source designs
NASA 3D Models
file type varies by model; for educational or informational purposes

Phet
Simulations and virtual labs for physics, math, chemistry, biology and other subjects.
HHMI BioInteractive
Interactive activities for biology.
Cool4ed Virtual Labs
Online labs and activities for chemistry, biology, physics, engineering and math.
Wayne State List of STEM Virtual Labs
APA Online Psychology Laboratory
Free labs on the human brain and psychology. Students and faculty need to create an account to access the resource.

Open Media

General Media

Wikimedia Commons
freely-usable media files; you can contribute
Internet Archive
non-profit organization that offers "access... to historical collections that exist in digital format"; includes text, audiovisual, and software items
Europeana
items from a range of Europe's leading galleries, libraries, archives and museums

Google Images

You can also find resources licensed for reuse via Google Images. Select "Tools" and then "Usage rights" to filter results based on machine-readable creative commons licenses.

Google Image Search Screenshot--highlighted "Tools" and "Usage Rights"

Pixabay
public-domain picture repository (no attribution necessary)
Flickr Commons
"hidden treasures from the world's public photography archives"
Openclipart
more than 83,000 images of varied quality; formerly Open Clip Art Library
Unsplash
offers 10 public-domain, high-resolution images every 10 days
Burst
Free stock photos licensed for reuse under the Creative Commons Zero (CC0) license.
Digital Public Library of America
the DPLA brings together digital collections produced by partnering institutions across the country. Images are available on the open web, but may be subject to reuse restrictions
Vecteezy
Search for images with Creative Commons licenses and download different sizes of the image onto your computer.
Public Domain Review

Metropolitan Museum
Photos of art and sculptures
Digital Public Library of America
the DPLA brings together digital collections produced by partnering institutions across the country. Images are available on the open web, but may be subject to reuse restrictions
Messier Catalog
Astronomical pictures of Messier deep space objects (nebulae, clusters, galaxies, etc.). Most of these are public domain and intended for private use. Copyrighted photos have a tag on the picture.
PDPoster
Collections of public domain posters.
NASA
National Art Gallery
Servier Medical Art
Public Health Image Database
Science Image
Public Library of Science

American Experience
250 films produced by PBS that document the American experience
ccMixter
community site with Creative Commons remixes and samples
folkstreams.net
a national preserve of documentary films about American roots cultures
Free Music Archive
"free downloads under Creative Commons and other licenses"
Jamendo
more than 412,000 audio tracks with Creative Commons licensing
Open Culture
675 open movies, in addition to a number of audio books, open courses, ebooks, and textbooks
Open Video Project
thousands of open videos hosted by the University of North Carolina at Chapel Hill
SoundCloud
create and share sounds on this social sharing platform
TED
"riveting talks by remarkable people, free to the world"
University of California Television
Educational Videos on many subjects produced by the University of California system.
Vimeo - Creative Commons
browse videos licensed for reuse and learn about permission types
YouTube
Go to Filter and select Creative Commons
Pond5