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 98 different sources and contains 368,237 records.
OASIS is being developed at SUNY Geneseo's Milne Library.
Open access textbooks
Open textbooks are textbooks that every student can access and afford. They have been funded, published, and licensed to be freely used, adapted, and distributed. These books have been reviewed by faculty from a variety of colleges and universities to assess their quality.
Peer-reviewed. Openly licensed. 100% free. And backed by additional learning resources. Simple to adopt, free to use. Based at Rice University, OpenStax is an educational initiative that provides students with free online access to high-quality peer-reviewed textbooks. Students can access textbooks for subjects like math and science, humanities, and business.
BCcampus Open Education contributes to the development of an open future for teaching practices and educational resources.
High-quality open textbooks in the fields of accounting, mathematics, and economics. Open textbooks can be downloaded by students at no cost, or printed by students with no restrictions. For instructors that wish to modify the textbooks themselves, the original TeX source files are available for free.
Other resources
OER Commons is a public digital library of open educational resources. Explore, create, and collaborate with educators around the world to improve curriculum. This includes full University courses, Interactive mini-lessons and simulations, Adaptations of existing open work, Open Textbooks, K-12 Lesson Plans, worksheets, and activities
Multimedia Educational Resource for Learning and Online Teaching (MERLOT) system provides free access to curated online learning and support materials and content creation tools. This is designed primarily for faculty, staff and students of higher education and is led by an international community of educators, learners and researchers.