The CiteFactor server provides indexing of major international journals and proceedings. Author can get information about international journal impact factor, proceedings (research papers) and information on upcoming events.
Scribd is an American e-book and audiobook subscription service that includes one million titles. Scribd hosts 60 million documents on its open publishing platform.
Google Scholar is a freely accessible web search engine that indexes the full text or metadata of scholarly literature across an array of publishing formats and disciplines.
ResearchGate is a European commercial social networking site for scientists and researchers to share papers, ask and answer questions, and find collaborators.
Semantic Scholar uses groundbreaking AI and engineering to understand the semantics of scientific literature to help Scholars discover relevant research.