Research tools and Reference Manager
Here are some research tools to help in bibliographic and citation.
Zotero is a free and open-source reference management software to manage bibliographic data and related research materials.
Search tool for full text and citations of scholarly literature across many disciplines and sources: articles, theses, books, abstracts and court opinions, from academic publishers, professional societies, online repositories and universities.
Citation and bibliography creation is easy with thousands of styles to choose from. Turn even the largest set of documents into a fully searchable, easy-to-manage library. Read and annotate content via desktop client, browser or mobile app.
Microsoft Academic semantic search provides you with highly relevant search results from continually refreshed and extensive academic content from over 120 million publications
European center for the development of vocational training
System for Information on Grey Literature in Europe, is your open access to 700.000 bibliographical references of grey literature (paper) produced in Europe and allows you to export records and locate the documents.
OpenGrey covers Science, Technology, Biomedical Science, Economics, Social Science and Humanities.
Science.gov searches over 60 databases and over 2,200 scientific websites to provide users with access to more than 200 million pages of authoritative federal science information including research and development results.
Unpaywall automatically harvests freely shared papers from thousands of legal institutional repositories, preprint servers, and publishers, making them all available to you as you read.
Unpaywall users are able to read over 52% of research papers for free–without having to pay money. This is because, millions of research papers are available for free on government and university web servers, legally uploaded by the authors themselves, with the express permission of publishers.
SSRN is devoted to the rapid worldwide dissemination of research and is composed of a number of specialized research networks.
WorldCat connects you to the collections and services of more than 10,000 libraries worldwide