Subject-Specific
- BCcampus Open Education’s OER by Discipline Guide
- English
- History
- Psychology
- Language Learning
- Math & Science
- American Institute of Mathematics
- Chem LibreTexts (formerly Chemwiki)
- The ChemCollective
- Engineering Technology
- Encyclopedia of Life
- Health Education Assets Library (HEAL)
- InTechOpen
- Mathispower4u
- National Science Foundation Multimedia Gallery
- NSDL: National Science Digital Library
- PhET Interactive Simulations