There are countless openly available course materials in a variety of disciplines if you know where to locate them. This is a list of many vetted sites that provide the best quality open course materials, such as assessments, syllabi, readings, and lectures. These resources have been assembled to help you choose what best fit your needs.

“Libretexts “Skills “Creative “Merlot
“Mit “OER “Open “Open
“Jhsph “Learning “Open “Open
“Penn “Salor “Wamap “Berkeley
“Open “Wikiversity “Over “Lumen