- Bioline International (http://www.bioline.org.br/)
- Provides quality research journal published in developing countries on biodiversity, environment, conservation and international development.
- BioMed Central (BMC) (https://www.biomedcentral.com/)
- Covers biomedicine, physical sciences, mathematics and engineering disciplines.
- BMJ Open (https://bmjopen.bmj.com/)
- An online open access journal, dedicated to publishing medical research from all disciplines and therapeutic areas.
- MedWell Journals: https://medwelljournals.com/journalsubject.php#Engi
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- PubMed Central (https://www.ncbi.nlm.nih.gov/pmc/)
- It is a free digital repository that archives publicly accessible full-text scholarly articles that have been published within the biomedical and life sciences journal literature.
- ABC Chemistry (http://abc-chemistry.org/)
- Free full-text journals in chemistry
- OMICs Open Access Jorunals (https://www.omicsonline.org/open-access-journals-list.php)
- Make the best use of Researched information from 700+ peer reviewed, Open Access Journals operated by 50,000+ Editorial Board Members and esteemed reviewers and 1000+ Scientific associations in Medical, Clinical, Pharmaceutical, Engineering, Technology and Management Fields.
- Scientific Electronic Library Online (SciELO) (https://scielo.org/en/)
- It is a model for cooperative electronic publishing of scientific journals on Internet
- Provides free access to scientific journal articles from Brazil, Chile, Cuba & Spain.
- SSRN(SciELO) (https://www.ssrn.com/index.cfm/en/)
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- F1000Research (https://f1000research.com/)
- F1000Research is an Open Research publishing platform for scientists, scholars and clinicians offering rapid publication of articles and other research outputs without editorial bias
- Subject covers: Natural Sciences, Medical and Health Sciences, Social Sciences, Engineering and Technology, Agricultural and Veterinary Sciences