ResearchGate is a social networking site for scientists and researchers to share papers, ask and answer questions, and find collaborators. ResearchGate is a network dedicated to science and research. Connect, collaborate and discover scientific publications, jobs and conferences.The New York Times described the site as a mashup of Facebook, Twitter and LinkedIn. It has many of the features that are typical among social network sites, such as user profiles, messages that can be public or private, and methods for finding other users with similar interests. It differs from other social networks in that it is designed for researchers and scientists. All for free.