| All subjects | swayam | https://swayam.gov.in/ |
| Engineering & Science & Humanities | NPTEL | https://onlinecourses.nptel.ac.in/ |
| All Subjects | EdX | https://www.edx.org/ |
| All subjects | coursera | https://www.coursera.org/ |
| Science | NISCAIR | http://www.niscair.res.in |
| Science | Indian Academy of Sc | https://www.ias.ac.in/ |
| Science | Springer Nature | https://www.springernature.com/gp/open-research/journals-books/journals |
| Science | Elsevier | https://www.elsevier.com/open-access/open-access-journals |
| ALL Subjects | National Digital Library of India (NDLI) | https://ndl.iitkgp.ac.in/ |
| All Subjects | INFLIBNET Centre | https://vidyamitra.inflibnet.ac.in/ |
