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Improve student outcomes and reduce textbook costs by up to


High-quality, peer-reviewed, ready-to-use courses

Odigia makes it easy for faculty to adopt and teach with Open Educational Resources (OER), offering complete textbook replacements at up to 90% savings. OER courses in Odigia transform textbooks into interactive learning experiences, while providing additional tools to measure and promote better student engagement.

Check out our list of ready-to-use courses. Or, use our existing OER courses as a foundation to build your own!


Openstas Ally


college_algebra  precalculus calculus-v1 calculus-v2 calculus-v3 statistics algebra_trigonometry algebra-elementary algebra-intermediate


anatomy_physiology astronomy concpets_biology biology  chemistry Chmistry-Atoms-First physics_AP physics university_physics-v1 university_physics-v2 university_physics-v3 biology-AP

Humanities & Social Sciences

american_government economics_8mNeBU3 macro_economics_AP macro_economics micro_economics_AP micro_economics psychology sociology_2e US_history micro_economics_2e


micro_economics_AP macro_economics_AP physics_AP biology-AP

Want to see how it works?