ADIADRESİİÇERİK
Biorxivhttps://www.biorxiv.org/Biyoloji
CERNhttp://cds.cern.ch/CERN doküman arşivi
Classic Bookshelfhttp://www.classicbookshelf.com/E-kitap arşivi
DOABhttps://www.doabooks.org/doab?uiLanguage=enE-kitap arşivi
Google Kitaplarhttps://books.google.com/?hl=trE-kitap arşivi
Intechhttps://www.intechopen.com/E-kitap arşivi
Open Libraryhttps://openlibrary.org/E-kitap arşivi
Gutenberghttp://www.gutenberg.org/E-kitap arşivi
OSTIhttps://www.osti.gov/Enerji
arXivhttps://arxiv.org/Genel
BASEhttps://www.base-search.net/Genel
BookBoonhttps://bookboon.com/Genel
Caltechhttps://authors.library.caltech.edu/Genel
Crossrefhttps://search.crossref.org/Genel
DOAJhttps://www.doaj.org/Genel
EDP Scienceshttps://publications.edpsciences.org/#!s=current&l=enGenel
Google Akademikhttps://scholar.google.com.tr/Genel
Hindawihttps://www.hindawi.com/journals/Genel
Ubiquity Presshttps://www.ubiquitypress.com/Genel
OpenDoarhttp://v2.sherpa.ac.uk/opendoar/Genel
Elsevierhttps://www.elsevier.com/about/open-science/open-access/open-access-journalsGenel
Oxfordhttps://academic.oup.com/journals/pages/open_accessGenel
Springerhttps://www.springeropen.com/journalsGenel
Science Directhttps://www.sciencedirect.com/browse/journals-and-booksGenel
Taylor and Francishttps://www.tandfonline.com/openaccess/openjournalsGenel
Darthttp://www.dart-europe.eu/About/info.phpGenel Tezler
ProQuesthttps://pqdtopen.proquest.com/search.htmlGenel Tezler
EThOShttps://ethos.bl.uk/Home.doGenel Tezler
ECONhttps://www.econbiz.de/İşletme-İktisat
RePEchttp://repec.org/İşletme-İktisat
Cherm Spiderhttp://www.chemspider.com/Kimya
EuDMLhttps://initiative.eudml.org/Matematik
ASEEhttp://www.asee.org/Mühendislik
INIShttps://inis.iaea.org/search/Nükleer Bilgi Sistemi
Open Humanitieshttp://openhumanitiespress.org/Sosyal Bilimler
OAPENhttp://www.oapen.org/homeSosyal Bilimler
Social Science Research Networkhttps://www.ssrn.com/index.cfm/en/Sosyal Bilimler
NAPhttps://www.nap.edu/Tıp-Mühendislik
BEACONhttps://trs-new.jpl.nasa.gov/Uzay
Archivehttps://archive.org/Ücretsiz kitap, film, yazılım vb