Electronic Archives listed in this category provide free and unrestricted access to peer reviewed scientific papers and academic publications. Most of these archives run Eprints, a freeware for self-archiving and building OAI compliant metadata for papers.
This category contains sites of institutional Free Access Electronic Archives for the scientific domain.

Sites providing free access to abstract but not to full-text papers must be submitted to Science/Publications/Archives. Electronic Journals offering free full-text access to articles must be submitted to the category Science/Publications/Journals_and_Magazines/Free_Access_Online_Journals