Microsoft Academic Search Alternatives

Google Scholar is a freely accessible web search engine that indexes the full text of scholarly literature across an array of publishing formats and disciplines. Released in beta in November 2004, the Google Scholar index includes most peer-reviewed online journals of Europe and...

Semantic Scholar (paywall free) is a science publication aggregator that collects citation-data from PubMed, CiteSeer, IEEE etc and rank each article according to the percieved number of impactful citations.

Scinapse is a free search engine for academic papers. As of September 2018, it indexes more than 200 million articles from more than 40,000 journals.

This project is a web interface that attempts to tame the overwhelming flood of papers on Arxiv. It allows researchers to keep track of recent papers, search for papers, sort papers by similarity to any paper, see recent popular papers, to add papers to a personal library, and...

Thomson Reuters Web of KnowledgeSM is a research platform that gives you access to objective content and powerful tools to search, track, measure and collaborate in the sciences, social sciences, arts, and humanities.

Publish or Perish (PoP) uses Scopus, Crossref, Google Scholar, Microsoft Academic, and Web of Science queries to obtain citation information, which is then analysed and converted to a variety of metrics (see Appendix).

Biohunter is a single portal which provides literature search, data statistics, reading, sorting, storing, journal suggestion for publication, field expert identification and their contact details for collaboration. www.biohunter.in.

Elsevier’s Scopus, the largest abstract and citation database of peer-reviewed literature. Search and access research from the science, technology, medicine, social sciences and arts and humanities fields.

Application for searching for and reading academic papers.

The Lens serves almost all the patents and scholarly work in the world as a free, open and secure digital public good, with user privacy a paramount focus.

ArnetMiner (AMiner) is designed to search and perform data mining operations against academic publications on the Internet, using social network analysis to identify connections between researchers, conferences, and publications.