Atmetrics are defined as "alternative measures seek to judge the impact of a research output by examining the number of times that it is viewed, downloaded, saved, discussed by the scientific community, and recommended to others" (Khodiyar et al. 2014, S27).
Altmetric for Researchers - Has 2 free tools, Altmetric Bookmarklet and the Altmetric API.
Google Scholar Citations - Create an account if you have not already done so to see if your articles have been cited or who has cited your articles, and to create citation metrics.
Impact Story - Has a free 30 day trial. After that you pay $60.00 a year.
Kudos - works with ORCID
Publish or Perish - uses data from Google Scholar and Microsoft Academic Search
Altmetrics: An Introduction. (2014). Retrieved March 31, 2016, from http://www.sspnet.org/community/news/altmetrics-an-introduction/
Issues, Controversies, and Opportunities for Altmetrics. (2015). Library Technology Reports, 51(5), 20-30.
Major Altmetrics Tools. (2015). Library Technology Reports, 51(5), 11–19.
Khodiyar, Varsha K., Karen A. Rowlett, and Rebecca N. Lawrence. 2014. “Altmetrics as a Means of Assessing Scholarly Output.” Learned Publishing 27, special issue (September): S25–S32. http://dx.doi.org/10.1087/20140505