Google Scholar (Journal) Metrics, see Other Journal Rankings
NIH ranking, see iCite
Publish or Perish software, see Citation Counts for Authors: Other Sources
Scimago uses citation data from Scopus to analyze output of different countries. Countries can be ranked by number of documents, citations, citations per document and an h-index. The user can set subject, regional and date parameters to customize the table. Graphs of the data at both the world and country level are also available.
For more graphical representations, see Scimago's World Report.