CiteSeerX Alternatives

CiteSeerX is described as 'CiteSeerx is an evolving scientific literature digital library and search engine that has focused primarily on the literature in computer and information science' and is a academic research tool in the education & reference category. There are more than 10 alternatives to CiteSeerX, not only websites but also apps for iPhone. The best CiteSeerX alternative is Google Scholar, which is free. Other great sites and apps similar to CiteSeerX are ResearchGate, Semantic Scholar, Scinapse and Elicit.