Uluslararası Açık Erişimler
- Bentham Open
- Budapest Open Access
- Citebase Search
- COAR (Confederation of Open Access Repositories)
- Cornell University Library ArXiv.org
- DE GRUYTER
- DOAJ (Directory of Open Access Journals)
- DOAB (Directory of Open Access Books)
- DRIVER (Digital Repository Infrastructure Vision for European Research)
- DSpace
- EIFL (Electronic Information for Libraries)
- E-Print Network
- E-Prints
- EOS (EnablingOpenScholarship)
- FindArticles
- Free eBooks by Project Gutenberg
- Free Full PDF
- Google Scholar
- International Scientific Publications
- MedOANet
- OAI (Open Archives Initiative)
- OASIS (Open Access Scholarly Information Sourcebook)
- OpenAIRE
- Open Access Map
- Open Access Textbooks Project
- Open Access Week
- Open Educational Resources-UNESCO
- Ranking Web of Repositories
- Sciense Dissemination Unit
- SciELO (Scientific Electronic Library Online)
- SCOAP3: Sponsoring Consortium for Open Access Publishing in Particle Physics
- SOCIAL SCIENCE RESEARCH NETWORK
- Springer Open
- The Directory of Open Access Repositories-OpenDOAR
- Wiley Open Access
- World Bank Databases
- WDI ve GDF Online
- Global Economic Monitor portal (GEM)