
Applied Math and Science Education Repository
Portal of educational resources and services built specifically for use by those in community and technical Colleges.
Link: https://amser.org/

GALILEO Open Learning Materials
GALILEO Open Learning Materials brings together open educational resources throughout the University System of Georgia, including open textbooks and ancillary materials.

Khan Academy
Khan Academy is an online coaching website. Students who cannot afford coaching can refer to this website. It gives a win-win situation to the students by giving them the liberty to learn at their pace, as it has a personalized dashboard to gauge the progress report. It has all the traditional school subjects including math, science, computer programming, history, art history, economics, and more. Moreover, it has lessons from kindergarten to calculus, all at one stop. To enhance the content for the students, it has partnered with NASA, the Museum of Modern Art, the California Academy of Sciences, and MIT. Also, the content is available in 36 languages.

MERLOT II
Free, peer-reviewed collection of online teaching and learning materials maintained by the California State University System.

OER Commons
Funded by ISKME, OER Commons is a library of OER materials containing over 50,000 high-quality OER.

Open Education GLOBAL
A free and open collection of high-quality learning materials presented in the form of courses.

Openstax CNX (formerly Connexions)
Contains textbooks, articles, supplements, and other learning resources that can be read online or downloaded for free.
Link: https://cnx.org/

EdX
This website can be most preferred by the students as it was founded by Harvard University and MIT in 2012. EdX is an online learning destination and MOOC provider, offering high-quality courses from the world’s best universities and institutions to learners everywhere. Out of the 90 universities, it includes top global rankers.
Link: https://www.edx.org/

Internet Archive
This library contains downloadable free courses, video lectures, and supplemental materials from universities across the globe.

Lumen Learning
Supports faculty in identifying and selecting high-quality OER, aligning these to learning outcomes, and assembling them to create OER-based courses.