DOAJ

OA Journal Directory Website

ECONLIT

Contains articles of various types on literature and economics, mainly in English.

ResearchGATE

Global science social networking service website

PublicLibrary of Science

A non-profit academic organization supported by numerous Nobel laureates and charitable organizations

UMI

The UMI dissertation database is an excellent international resource sharing platform.

BASE

A multidisciplinary academic search engine that provides integrated search services for heterogeneous academic resources worldwide.

EBSCO

Primarily focused on business data, it also includes numerous marketing magazines and publications.

HighWire Press

Publishers of academic literature that provide free full-text articles

Intel Technology Journal

Written by Intel experts, this is a research and technology reference magazine.

arXiv

Most of the articles on the website are intended for submission to academic journals, and the article types and content are categorized very professionally and comprehensively.

Theses

is a powerful paper repository

SCHOLARVOX International

The website includes e-books in disciplines such as management, sociology, engineering, and computer science, available in English and French, and can be read online.

SimilarWeb

Site Traffic — View and analyze any website

Socolar

is a public service platform designed to provide users with OA resource retrieval and full-text linking services.

Hindawi

It is a rapidly growing OA academic publishing institution, covering most fields of STM (Science, Technology and Medicine).