Free Online Educational Portals
| Useful Search Engine for Books | Website |
| PDFDRIVE | https://www.pdfdrive.com |
| PROJECT GUTENBERG | http://www.gutenberg.org/ |
| INTERNET ARCHIVES | https://archive.org/details/texts |
NB: These websites grants access to millions of books (PDF) for free relating to any subject/field of topic.
| Useful Online Educational Support | Website |
| KHAN ACADEMY | https://www.khanacademy.org/ |
| ACADEMIC EARTHS | https://academicearth.org/ |
| COURSERA | https://www.coursera.org/ |
| EDX | https://www.edx.org/ |
| OPEN2STUDY | https://www.open2study.com/ |
| CODE ACADEMY | https://www.codecademy.com/ |
| YOUTUBE EDUCATION | https://www.youtube.com/education |
NB: These resources host thousands of free online courses, in several disciplines, along with free learning materials (audios, videos, books etc.) for lifelong learning.
| Other Free Book Sites | Website |
| BOOK BOON | https://bookboon.com/ |
| EBOOKEE | https://ebookee.org/ |
| FREE BOOKS | http://www.freebooks.com/textbooks/ |
| MANY BOOKS | http://manybooks.net/ |
| BOOK YARDS | https://www.bookyards.com/en/welcome |
| GET FREE BOOKS | https://www.getfreeebooks.com/ |
| ESSAYS | http://www.essays.se/ |
| SPARK NOTES | http://www.sparknotes.com/ |
| PINK MONKEY | http://www.pinkmonkey.com/index2.asp |
| COMPUTER BOOKS | http://freecomputerbooks.com/ |
NB: These additional websites grants access to millions of books (PDF) for free relating to any subject/field of topic.
| Other Useful Online Educational Support | Website |
| OPEN EDUCATION CONSORTIUM | https://www.oeconsortium.org/courses/ |
| UP-MADRID OPEN COURSEWARE INITIATIVE | http://ocw.upm.es/ |
| OPEN LEARN | http://www.open.edu/openlearn/ |
| UM-MICHIGAN OPEN COURSEWARE INITIATIVE | https://open.umich.edu/ |
NB: These resources host thousands of free online courses, in several disciplines, along with free learning materials (audios, videos, books etc.) for lifelong learning.