General:

• DOAJ: is an online directory that indexes and provides access to quality open access, peer-reviewed journals.
  
• Research4Life: Research4Life is designed to enhance the scholarship, teaching, research and policy-making of the many thousands of students, faculty, scientists, and medical
  
• Google Scholar: Google Scholar is a freely accessible web search engine that indexes the full text or metadata of scholarly literature across an array of publishing formats and disciplines
  
• Citeseerx: CiteSeerˣ is a public search engine and digital library for scientific and academic papers, primarily in the fields of computer and information science
  
• Open Access Library Journal: Open Access Library Journal (OALib Journal) is an international, open access and peer-reviewed journal.
  
• Open Access Library (OALib): Open Access Library is an academic search engine and publisher. You can download research papers for free and submit your paper to it.
  
  
  

e-Books:

• Bookboon : provides 1000+ free eBooks. You can download textbooks and business books in PDF format without registration.
  
• Google Books: Google Books is a service from Google Inc. that searches the full text of books and magazines that Google has scanned.
  
• PDFDrive: Download free eBooks in PDF format.
  
• Gutenberg: Project Gutenberg is a volunteer effort to digitize and archive cultural works, to “encourage the creation and distribution of eBooks”. It was founded in 1971 by American writer Michael S. Hart and is the oldest digital library.
  
  
  

Business & Finance:

• Journal of Internet Banking and Commerce:  Journal Impact Factor: 2.70. Journal of Internet Banking and Commerce (JIBC) provides framework for conveying various research and academic brilliance in the field of business and managemen
  
• Michigan Journal of Business: This journal from the University of Michigan discusses issues like currency, tax, and executives.
  
• The MIT Press Journals: Not all the resources hosted at the site is free but it do provide some free in various fields.
  
• Journal of Business Research: The Journal of Business Research applies theory developed from business research to actual business situations
  
• Industrial Engenieering and Management:
  
• International Journal of Economics and Management Science :
  
• Business and Economics Journal :
  
• Journal of Business & Financial Affairs :
  
• Journal of Accounting & Marketing :
  
• Journal of Hotel & Business Management :
  
• International Journal of Accounting Research :
  
• Review of Public Administration and Management :
  
• Journal of Entrepreneurship & Organization Management :
  
• Journal of Tourism & Hospitality :
  
• Journal of Global Economics :
  
• Journal of Stock & Forex Trading :
  
• Journal of Tourism Research & Hospitality :
  
• Nova Economia: Published three times a year, Nova Economica offers a Brazilian look at economics.
• Demographic Research: Published by the Max Planck Institute for Demographic Research, this journal discusses population issues in an international community.
  

Law & Politics:

• Duke Law Journal: Duke’s law journal offers a top-notch look at today’s legal issues.
  
• International Socialism: Learn all about socialist theory with this journal.
  
• Law, Social Justice & Global Development: Read about global health law, finances, and more in this journal.