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ImpactStory is a free tool that allows researchers to build their own profiles and is not attached to any institution. Find out more at  

ImpactStory profile for Ethan White, showing metrics and articles (not to be confused with altmetrics themselves) is a commercial provider of altmetrics data. Known for their "doughnut" with a score, many widgets appear on publisher websites and even in library catalogues. Some data is available for free, like the Altmetric Bookmarklet for Researchers.  See more at

info page for an article on