| Title Of The Link | Link |
|---|---|
| HathiTrust Digital Library | https://www.hathitrust.org/ |
| Project Gutenberg | https://www.gutenberg.org/ |
| Internet Archive | https://archive.org/ |
| DIRECTORY OF OPEN ACCESS JOURNALS (DOAJ) | https://doaj.org/ |
| Directory of Open Access Books (DOAB) | https://www.doabooks.org/ |
| NPTEL | https://archive.nptel.ac.in/ |
| egyankosh | https://egyankosh.ac.in/ |
| UGC MOOCS | https://ugcmoocs.inflibnet.ac.in/ |
| SWAYAMPRABHA | https://www.swayamprabha.gov.in/ |
| Shodhganga | https://shodhganga.inflibnet.ac.in/ |
| Swayam | https://swayam.gov.in/ |
| e-PG Pathshala | https://epgp.inflibnet.ac.in/ |