- Web of Science
- Scopus
- MathSciNet
- SISSA Preprints archive
- SISSA Articles acquisition (available only through SISSA network).
- zbMATH - ZentralblattMATH
- Jahrbuch Project (Jahrbuch über die Fortschritte der Mathematik) 1868-1942
- INSPIRE (high-energy physics)
- arXiv
- ADS - the NASA Astrophysics Data System
- Preprint Server for Biology
- Earth Science preprints
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- Open archive for social sciences
- Cogprints
- Preprint service for the psychological sciences
- Preprints and post-print repository of scholarly legal content
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