Using these search tools to find Open Educational Resources through peer reviewed repositories.
Open textbooks are licensed by authors and publishers to be freely used and adapted. Download, edit and distribute them at no cost.
Openly Available Sources Integrated Search (OASIS) is a search tool that aims to make the discovery of open content easier. OASIS currently searches open content from 115 different sources and contains 440,380 records.
OER Commons is a public digital library of open educational resources. Explore, create, and collaborate with educators around the world to improve curriculum.
All Libretexts libraries are accessible to everyone via the internet, completely free. We believe everyone should have access to knowledge.
The MERLOT system provides access to curated online learning and support materials and content creation tools, led by an international community of educators, learners and researchers.