Creating OER Homework & Assignments

ADAPT Adaptive Learning Assessment System
Homework system, created by LibreTexts, where instructors can adapt and create customized homework questions, make questions open ended or autograded, pick the assessment style, and embed existing material from Canvas or other textbooks. Includes learning analytics.

MyOpenMath
Provides homework, quizzes, and tests with rich mathematical content. Large question database and students can get immediate feedback on algorithmically generated questions.
H5P
Free platform where you can make interactive digital tools, integrates with Canvas and LibreTexts. Embed interactive question forms, charts, images/videos, and more.
WebWork
This open-source homework management system integrates with Canvas and has features similar to purchased products such as WebAssign, MyLab, and MasteringPhysics, but at no cost to students. Published by the Mathematical Association of America.