Searching for open education resources can be challenging due to the abundance of OER material available all across the globe. Here are some useful links to get started:

OER/Open Access Library Databases and Collections

The library currently has 35 databases that contain either OER/OA resources or a mix of OER/OA and traditional resources. Please note, you will be prompted to enter your ACES ID and Banner ID when accessing some collections.

OER/OA Access Databases

If you have any questions please contact the library at

OERTX Repository

Search for OER used by institutions of higher education in Texas and across the country, including materials aligned to Texas Core Curriculum requirements.
Sign up for a free account to search for resources from the Alamo Colleges Hub.

OERTX Repository Homepage

Other Collections and Repositories

Canvas Commons

Canvas Commons is a learning object repository that enables educators to find, import, and share resources. A digital library full of educational content, Canvas Commons allows Canvas users to share learning resources with other users as well as import learning resources into a Canvas course. 


A variety of free online courses.

iTunes U (info about it being discontinued and other services offered by Apple)

Free online courses from many institutions around the globe. This service was discontinued in 2021. Click the link to the left to find out what Apple is doing now.

Khan Academy

Not for profit educational organization.

Merlot (Multimedia Educational Resource for Learning and Online Teaching)

Free and open peer-reviewed collection of online learning materials.

OER Commons

A large collection of OER materials categorized by subject area and material type.

Open Textbook Library

Searchable collection of several open textbooks.  Many of them have been peer reviewed.


Offers several college-level textbooks.  All are peer-reviewed textbooks written by professional content developers.

Open Learning Initiative

Free online courses and materials by Carnegie Mellon University.


Has several open textbook collections.

The Teaching Commons

Features OER material from several colleges and universities.  Content includes open access textbooks, course materials, lesson plans, multimedia and more.  Curated by librarians and their institutions.

Wikipedia Commons

A media file repository for public domain and freely licensed educational media content.


Openly Available Sources Integrated Search.