Social Networking Websites for Academics
A social networking website for Academics. It can be used to share papers, monitor their impact, and follow the research in specific fields.

A social networking website for Researchers, who use it for publishing, upload papers and exchange information on research topics.

Open Researcher & Contributor Identification Initiative. An initiative for identifying a researcher. It's a non-profit organization supported by a global community of organizational members, including research organizations, publishers, and others.