- arXiv.org (Cornell University) – https://arxiv.org/
- ASEAN Digital Library – https://www.aseanlibrary.org/
- Asian Development Bank – https://www.adb.org/site/evaluation/main
- Biomedcentral (BMC) – https://www.biomedcentral.com/journals
- BSP – Knowledge Resource Network –[email protected] (for article and book copy request)
- Britannica – https://www.britannica.com/
- CAMBRIDGE CORE OPEN ACCESS BOOKS AND JOURNALS –
https://www.cambridge.org/core/what-we-publish/open-access/listing?q=computer+engineering&aggs%5BproductTypes%5D%5Bfilters%5D=BOOK&searchWithinIds=7275BA1E84CA769210167A6A66523B47
- CERN Document Server – http://cds.cern.ch
- CORE – https://core.ac.uk/
- Directory of Open Access Books – https://www.doabooks.org
- Directory of Open Access Journals (DOAJ) – https://doaj.org
- Encyclopedia – https://www.encyclopedia.com/
- Free Medical Journals (promoting free access to medical journals) – http://www.freemedicaljournals.com/
- Free Medical Journals (Geneva Foundation for Medical Research Education and Research) –https://www.gfmer.ch/Medical_journals/Free_medicalTemplate.htm
- FreeTechBooks – http://freetechbooks.com
- Google Books – https://books.google.com.ph
- Google Scholar – https://scholar.google.com.ph
- HighWire – http:///highwire.stanford.edu
- InTECH – https://www.intechopen.com/books
- INTERNET ACHIVE – https://archive.org/about
- JURN – http://www.jurn.org
- NETFLEX YOUTUBE CHANNEL – https://m.youtube.com
- OhioLINK Electronic These & Dissertation Center – https://etd.ohiolink.edu
- Online School.Org – http://www.onlineschools.org/open-access-journals/
- Proceedings of the National Academy of Sciences (PNAS) of the United States of America – https://www.pnas.org/
- PQDT Open – http://pqdtopen.proquest.com
- Open Thesis – http://www.openthesis.org/
- Public Library of Science (PLOS) – https://plos.org/
- Social Science Research Network (SSRN) – http://www.ssrn.com/en/
- Phil E-journal – https://ejournals.ph/journals.php
- Philippine Journal of Science – http://philjournalsci.dost.gov.ph/
- Pub Med Central – http://www.ncbi.nlm.nih.gov/pmc/
- SpringerOpen Books – https://www.springeropen.com/books
- TED TALKS – https://www.ted.com/talks/ofer_levy_the_new_science_of_personalized_vaccines/up-next
- TOP DOCUMENTARY FILMS – http://topdocumentaryfilms.com
- The National Bureau of Economic Research –http://www.nber.org
- The NIST Data Gateway – https://www.nist.gov/srd
- Virtual Learning Resources Center – http://www.virtuallrc.com/
- VT Virginia Tech – http://scholar.lib.vt.edu/theses
- Scientific Journals International (SJI) –https://publons.com/publisher/2412/scientific-journals-international-sji
- Wiley Open Access – https://authorservices.wiley.com/open-research/open-access/index.html
- World Bank Open Repository –https://openknowledge.worldbank.org/
Dictionaries:
- Cambridge Dictionary – https://dictionary.cambridge.org/dictionary/english/open-access
- Free Dictionary – https://encyclopedia.thefreedictionary.com/
Filipiniana:
- Freelipiniana Online Library – http://panitikan.ph/freelipiniana-online-library/
- Science Open – https://www.scienceopen.com/
- COVID-19 Information Portal (EBCSO) – https://covid-19.ebscomedical.com/
- PHIL CHED Connect –https://phlconnect.ched.gov.ph/home
- KAHIMYANG – https://kahimyang.com/
- National Commission of Culture and the Arts (NCCA) – http://www.ncca.gov.ph/
- STARBOOKS Starbooks.ph/#
- DEPED Commons – https://commons.deped.gov.ph/
- Socioeconomic Research Portal of the Philippines – https://serp-p.pids.gov.ph/