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OER & ZTC: Open Educational Resources and Zero Textbook Cost Options

A guide for faculty and students about OER and ZTC at Pasadena City College

OER Resources

As previously noted, OER are basically anything you can utilize in a course that are open to use - from full courses to textbooks, from individual modules to media components.  Unfortunately, there isn't a single tool that harvests everything for us, so below are some resources that you can use to help identify OER materials. You might also want to try the search tools below.

George Mason University's OER Search Tool:

Search: Mason OER Metafinder (MOM)


SUNY Geneseo, Milne Lbrary's OER Search Tool:

Suggested Repositories

OpenStax Merlot Pixabay
Lumen Learning GeneralLumen Learning Achieving the Dream SkillsCommon Wikimedia Commons
California Open Education Resources Council Showcase OER Commons CreativeCommons
University of MN Open Textbooks Canvas Commons PhET Simulations (Science/Math)
Milne Open Textbooks (Open SUNY) MIT OCW DigCCMixter
BC Campus Serendipity LibriVox
Directory of Open Access Books SPARC's Connect OER Springer Open Journals
Pressbooks Directory (need to limit to open resources)   TEDTalks

Additional Strategies

There are additional methods to identify OER.  YouTube, Google, Bing, SoundCloud, Flixstr, and other popular tools all have access to OER.  To get help with finding OER through these platforms, please see a reference librarian, or contact the OER Committee.​