Open Educational Resources (OER)

by Noah Levin
Covers the development of Western philosophy from the pre-Socratics through the Hellenistic period and encounters with Judaism and early Christianity. Latest update 2021.
The LibreText volume is free to read, share, and print. There are HTML and PDF viewing options. The HTML interface has built-in display options for the user to set, such as adjustments to text size and line spacing. Prepared print copies can be ordered for ~$20.

edited by Jeff McLaughlin
A curated collection of classic readings from Western Philosophy. Originally compiled 2017, with 2021 updates.
This title from BC Campus has a Creative Commons Attribution license, which allows use, sharing, and adapting with attribution.

edited by George Matthews
An exploration of major theoretical approaches in ethics and moral philosophy. Published 2019.

This open textbook has a Creative Commons Attribution license. Read more from the series editor about what being an open textbook means. Available to read online, digitally as a PDF, or printed. Prepared print copy available for $10.50.