Compendium of
Open
Access
Resources in the
Digital Environment
A Collection of Curated Open Access Resources
arXiv e-Print Archive - is a free distribution service and an open-access archive for 1,872,762 scholarly articles in the fields of physics, mathematics, computer science, quantitative biology, quantitative finance, statistics, electrical engineering and systems science, and economics. Materials on this site are not peer-reviewed by arXiv.
CiteSeerX - is a computer and information science database. Here you can find links to scholarly articles and journals about related subjects.
Collection of Computer Science Bibliographies - contains more than three million references. Although the site only provides bibliographic information, it includes links to PDFs or full texts on other sites where possible. There is also an option to search on Google for the full article.
Computer Science Technical Reports - is a collection of computer science technical reports from the computer science department of Virginia Tech, as well as industrial and governmental research laboratories.
dblp computer science bibliography - is an online reference for major computer science publications. Although it provides access to both full-text articles and those behind a paywall, you can search for only fulltext articles.