Description: PubMed is a free search engine accessing primarily the MEDLINE database of references and abstracts on life sciences and biomedical topics. PubMed is developed and maintained by the National Center for Biotechnology Information (NCBI).
Type: software
Description: ResearchGate is a social networking site for scientists and researchers to share papers, ask and answer questions, and find collaborators. With over 19 million members, it allows researchers to connect with others in their field and discover research from around the world.
Type: software