Publishing Curriculum is free to everyone in Canvas (Open Education Network), https://canvas.umn.edu/courses/377173
“Authoring Open Textbooks” (Rebus Community and Open Education Network), https://press.rebus.community/authoropen
“The Rebus Guide to Publishing Open Textbooks (So Far)” (Rebus Community), https://press.rebus.community/the-rebus-guide-to-publishing-open-textbooks
“Open Education Self-Publishing Guide” (BCcampus), https://open.bccampus.ca/browse-our-collection/find-open-textbooks/?uuid=1d31f3b7-dd9f-4f47-97eb-430afb45ead6&contributor&keyword&subject=Guides
“Open Textbook Toolkit” (University of Toronto), https://openetext.onlinelearning.utoronto.ca
Pressbooks (available open source or through an annual plan), https://pressbooks.com/our-products
Hypothesis (an open-source annotation tool), https://web.hypothes.is
H5P (open-source tool for creating interactive content), https://h5p.org/content-types-and-applications
H5P OER Hub, https://h5p.org/oer-hub-coming
PhET interactive simulations for science and math, https://phet.colorado.edu/en/simulations/filter?sort=alpha&view=grid
TablePress (open-source tool for interactive tables), https://tablepress.org
TimelineJS (open-source tool for building interactive timelines), https://timeline.knightlab.com
StoryMapJS (open-source tool for telling stories on the web that highlight the locations of a series of events), https://storymap.knightlab.com