A digital library giving free access to a rich variety of printed sources of the 15th, 16th, and 17th centuries. All the works printed in Europe before 1701, irrespective of language, fit into the project scope, along with all the editions of works written in any European language and printed outside Europe. EEB is a key tool for historians of the printing press in Europe from the origins to the 17th century, that makes high quality digital images of rare printed sources available to the public.

An open access archive devoted to geoscientific publications, managed by the Istituto Nazionale di Geofisica e Vulcanologia. The aim is to gather, harvest and spread research products in the field of Earth Sciences. The user can find several types of resources, including articles, journals, manuscripts, working papers, theses, conference proceedings, books, book chapters, websites and more.

The electronic catalogue (OPAC) of the Central Library of the European Union, freely accessible to the public. The catalogue features official publications of the EU, documents regarding the most important international organizations, the main official papers, commercial publications and working papers from Universities of the 28 Member States, in the fields of European integration, policies, activities and organization of the European institutions.

For more information, see: https://ec.europa.eu/commission/index_en.

Platform for the deposit and consultation of scientific articles produced by researchers from the 22 laboratories of the Ecole Polytechnique of the University of Paris

A-Z Directory of web-based information resources, compiled by volunteers and experts in the field of Ecology (students, faculty staff and researchers).

Search engine with economic information. It indexes 23,000 websites of Economy worldwide, by using a beta version of the Google custom search tool.

La banca dati consente di recuperare dati chimico-fisici e bibliografici in relazione agli effetti pericolosi che gli agenti tossici provocano a flora e fauna acquatica e terrestre. Interroga contemporaneamente tre banche dati (Aquire, Terretox, Phytotox) e permette di effettuare la ricerca secondo modalità differenziate: per agente chimico, per genere o specie tassonomica di piante ed animali, per categorie di effetto tossico.

EduTechWiki is a set of resources focused on teaching and research technologies but also for students and their learning.

Modello matematico per calcolare l'impatto delle riviste alternativo all'IF; si rifà all'algoritmo del PageRank di Google ed effettua una "pesatura" dei journals  in relazione alle differenti aree disciplinari. Permette di calcolare due misure: Eigenfactor score (punteggio che misura il valore complessivo di tutti gli articoli pubblicati in una rivista in un determinato anno) e Article Influence score (misura il punteggio medio di influenza degli articoli di una rivista). Le sue fonti citazionali sono il Journal Citation Report della ISI e riviste scientifiche non ISI.

Section dedicated to the history of the repertoire of online academic journals by the University Library of Regensburg. Not all reported periodicals are open access, but the distinction between free magazines with free access to full-text and paid newspapers is clearly indicated with a special sign.

Directory of websites on classical studies selected by various American universities and maintained by Maria Pantelia of the University of California, Irvine. Electronic resources divided into numerous categories including: gateways, databases, teaching materials, electronic publications, bibliographies, lists of links, websites related to some authors, discussion groups, etc. The site was last updated in 2007.

Social networks for professionals and fans of electronics and electrical engineering.

Online archive of publications of the Great Barrier Reef Marine Park Authority Of Australia. It makes publicly available a wide and growing collection of reports, posters, multimedia material and resources of various kinds on the Great Barrier Reef and the issues related to its protection.

Peer-reviewed scientific journal of biomedical and life sciences born in 2012 from a scientific project of important research institutions such as Howard Hughes Medical Institute, Max Planck Society and Wellcome Trust.

E-LIS is an open access archive created in 2003 with the purpose of spreading open access philosophy in the fields of library and information science, and related disciplines.

Website of the eponymous body that promotes activities related to life sciences in Europe. The site is divided into thematic sections that address training and work opportunities, conferences and publications in the organic sector. Gives access to the journal published by the institution: The EMBO Journal, partially open access

Bibliographic database that strips the articles published in the main Italian journals of contemporary history. The database, edited by the Fondazione Istituto Piemontese Antonio Gramsci, contains about 10,000 records

Chemical search engine that allows you to design the structure of molecules and to search for chemical compounds through various methods.

The online version of the well-known generalist encyclopedia in English.

The free online version of the historic Larousse encyclopedia offers a selection of structured content (including full-text materials, animations and illustrations) taken from the paper version. In addition, the entries produced by users, clearly distinguishable from the texts produced by the editorial staff.

Grande archivio multimediale del sapere contemporaneo e strumento di apprendimento della filosofia: offre circa millecinquecento interviste, lezioni televisive, della durata media di un'ora, di filosofi, scienziati, storici, economisti e uomini di cultura di 34 paesi e premi Nobel. 

Review of encyclopedias on the Dienneti website, portal and directory for education and teaching.

Website of Enco, a research and services company specialized in the fields of architecture and civil engineering, with particular expertise in building materials. President of the society is Prof. Mario Collepardi, many of whose scientific publications are listed and freely downloadable.

Free access edition by Michiel Hazewinkel for SpringerLink. It includes more than 8000 entries, for about 50,000 notions of mathematics, with regular updating.

Open archive of scientific production of ENEA (National Agency for New Technologies, Energy and Sustainable Economic Development), created with the aim of collecting, cataloguing, making easily accessible on the net and preserving the results of research over time.

Bibliographic database, with the possibility of accessing the full text of many articles, on the topics of energy and energy sources, by the Department of Energy of the United States of America. It collects documentation from 1948 to the present.

Open access archive for preprints of periodicals related to the most varied areas of engineering.

The portal of the Italian National Tourist Board, an institute that has the task of promoting the unitary image of the national tourist offer and promoting its marketing.

Portal of the NCBI (National Center for Biotechnology Information) dedicated to medicine and life sciences. It allows you to carry out a metasearch on numerous databases integrated with each other.

Epernicus is a scientific and professional social networking platform built by scientists to facilitate the research process and the dissemination and sharing of scientific information. Researchers can enter the scientific profile, stay in touch with their colleagues, forge new professional relationships and start scientific collaborations. About Epernicus

Institutional archive and search engine edited by the Ecole Polytechnique Fédérale de Lausanne, which makes numerous articles available to the scholarly community and guarantees access to various databases and specialist e-journals with free access.

Motore di ricerca che attinge ai database dei Kew Royal Botanic Gardens recuperando materiale informativo di vario genere: bibliografie, nomenclature, tassonomie, pubblicazioni, etc.

Search engine that draws on the databases of the Kew Royal Botanic Gardens by retrieving information material of various kinds: bibliographies, nomenclatures, taxonomies, publications, etc. 

The thematic portal "E-R Imprese" is a communication project of the Emilia-Romagna Regional Council that deals with the bibliography of studies on tourism

Open access archive for preprints of periodicals related to the most varied areas of engineering.

Etana is an Open Access resource guide related to the ancient East. It is a multisectoral project started in 2000 that wants to be a support for the study of the history and culture of the ancient Near East.  In the Core texts section are gathered ancient texts that can also be searched with keywords. The eTACT section aims to be the repository on the web for all translations of Akkadian materials made by industry experts.

Database containing all the information related to the presentation, storage and availability in electronic format of the thesis and academic dissertations of the University of Pisa.

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The European Mathematical Information Service (EMIS) was founded in 1995 as a central portal for electronic mathematics resources in Europe. Since then, with the support of the European Mathematical Society and many publishers, FIZ Karlsruhe has developed the largest electronic library of open-access mathematics.

Bibliography on the religions of the classical world curated by Prof. Fabio Mora of the University of Messina.

Collection of open access e-books related to various literary genres: novels, short stories, novels. It also includes collections of academic texts related to various subject areas.