- Портал російських наукових журналів
- ABC Chemistry
- ADS (Astrophysics Data System, Digital Library for Physics and Astronomy)
- AMS (American Mathematical Society)
- American Journal of Botany (AJB)
- Article@inist>
- arXiv.org
- Bioline International
- BIOLOGY & SCIENCE
- BioMed Central
- CiteSeerX
- ChemNet (Росія)
- DISS ONLINE UND ONLINE-DISSERTATIONEN
- DOAB (Directory of Open Access Books)
- E-Books Directory
- Electronic Journals Library
- Elektronische Zeitschriftenbibliothek
- Europeana Collections
- Free Medical Journals
- Free Elektonics Math Journals
- Hindawi Publishing Journals
- InTech books
- Journals for Free
- MathScinet - Matematical Reviews on the Web
- NCBI (National Center for Biotechnology Information)
- OAPEN (Open Access Publishing in European Networks)
- PubMed Central
- Sage - Hindawi Access to Research
- Social Psychology Network
- Socionet
- Vascoda
- World Public Library
- World Wide Science