The Association for Computing Machinery Portal provides access to the full-text articles and bibliographic records in the subjects of computing and information technology. Accessibility statement for ACM Digital Library
It includes the complete collection of ACM's publications, including journals, conference proceedings, magazines, newsletters, and multimedia titles.
Provides open access to millions of e-prints in the subjects of physics, mathematics, computer science, quantitative finance, statistics, and more. Accessibility statement for ArXiv