Our institutional repository ScholarWorks houses institutional knowledge going back to the start of the university. This is an excellent location to house OERs and is completely searchable by Google. As of November 10th, it has had over 1,660,057 total downloads.
This ebook outlines some best practices for creating OER content:
The OER Starter Kit Workbook: Part V Creating OER
Creating an open textbook with students:
A Guide to Making Open Textbooks with Students – Simple Book Publishing (rebus.community)
This work was adapted from Production of OER by Billy Meinke and University of Hawaiʻi at Mānoa Outreach College, licensed under a CC BY 4.0. International license.