Library

A project towards a universal library. By this art you may contemplate the variation of the 23 letters.

Scilit is a comprehensive content aggregator platform for scholarly publications. It is developed and maintained by the open access publisher MDPI AG.

Students can save up to 80% with eTextbooks from VitalSource, the leading provider of online textbooks and course materials.

The dblp computer science bibliography is the online reference for open bibliographic information on major computer science journals and proceedings.

A repository of computer science papers and a community of people who love reading them

Library Genesis is a scientific community targeting collection of books on natural science disciplines and engineering.

Free online library

Sci-Hub website. Get free access to academic journals. Download research papers for free from ScienceDirect, IEEE, Wiley, Springer, Nature and others

Catalog your books online

Vatican Library

Vienna Symphonic Library creates high-end orchestral sample libraries and software for professional music productions.

An open database of 20 million free scholarly articles

Library Genesis is a scientific community targeting collection of books on natural science disciplines and engineering. https://libgen.gs/ https://libgen.lc/ https://libgen.li/

Z-Library single sign on | Z-Library. Download books for free. Find books

LibreTexts is developing the next generation of open-access texts. Open. Free. Accessible to all.

The Lens serves all the patents and scholarly work in the world as a free, open and secure digital public good, with user privacy a paramount focus.

Infoscience - Infoscience

The dblp computer science bibliography is the online reference for open bibliographic information on major computer science journals and proceedings.

Scientific Literature Digital Library incorporating autonomous citation indexing, awareness and tracking, citation context, related document retrieval, similar document identification, citation graph analysis, and query-sensitive document summaries. Advantages in terms of availability, coverage, timeliness, and efficiency. Isaac Councill and C. Lee Giles.

CAS Source Index (CASSI) Look Up Tool

Browse all academic books and journals categorised by subjects with the new Cambridge Core platform by Cambridge University Press.

RECOLECTA o Recolector de Ciencia Abierta es una plataforma que agrupa a todos los repositorios científicos nacionales.