Open Access

Open Access – Journals

• DOAJ (Directory of Open Access Journals)
• Open J-Gate
• De Gruyter
• Sciendo
• EDP Sciences (Édition Diffusion Presse Sciences)
  • EDP Open
• Hindawi
• Science Alert
• EMIS (European Mathematical Information Service)
• Journals for Free
• International Scientific Publications
• EZB
• The Polish Digital Mathematics Library
• Journals PAS
• FBC Czasopisma
• AGH University electronic journals
• PRESSto.
• Scientific Journals Online
• Akademicka Platforma Czasopism
• SGH Journals

Open Access – Books

• Federacja Bibliotek Cyfrowych
• Polona
• Google Books
• Library of Science
• Europeana
• DOAB Directory of Open Access Books
• The Online Books Page
• World Digital Library
• InTechOpen

Open Access on publisher websites:

• Oxford Journals – Oxford Open
• Wiley Open Access
• Open Access SPIE Publications
• De Gruyter Open
• Taylor and Francis Open Access
• Cambridge
• IOP Science