Academia.edu http://academia.edu/ is an online platform where users can share research papers, track research around specific topics and monitor the impact of research.
Mendeley is a reference manager and an academic social network. Users can search research data and collaborate online with other users.
ResearchGate is an online social media platform for researchers. At ResearchGate one can create a personal profile and connect and collaborate with other researchers. Users are able to share their publications, create groups and discuss their work with other users. Users can also create blogs.
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