ORCID, a free registration, assigns scholars a unique ORCID number, allowing scholars to track publications, regardless of name change, institutional affiliation or misspelling. ORCID integrates with other systems such as Scopus and LinkedIn.
Create a Google Scholar profile, linked to a Google account, and select Google Scholar citations to link to your account or add new citations. Google Scholar will give you times cited and an h-index based on Google Scholar citations.
Mendeley is a downloadable citation software program, letting users create and manage a personal library of citation. Mendeley's online social interface also allows you to create a scholarly profile, list scholarly works, and access metrics related to your works. You can also add friends to your network, join public or private groups, and browse top papers in a discipline.
A scholarly network built for scientists - users can create a free profile, connect with other scholars, share scholarly works, access metrics related to the scholarly works, and keep up with other publications.