To gather information that you can use to think about and make choices on tools to use for your library research projects, the links below offer different kinds of comparisons. The information does keep changing as programs evolve. Clicking a link should open a browser in a new window (or tab); you may close that window to return to this listing.
Underneath the Wikipedia comparison below, the links provide connections to a good selection of guides that are showing or discussing comparisons of "citatation management" or "reference management tools". The Wikipedia list includes more than just citation management, etc.
Systematic literature reviews have been widely adopted to complete rigorous reviews and syntheses of topics across many disciplines. This is a link to a site that comments on key software tools for managing systematic reviews.
Wikipedia comparison - this is a long list of related software tools. It includes one approach to comparing functions.
http://en.wikipedia.org/wiki/Comparison_of_reference_management_software
Academic sources - comparisons based on experience/viewpoints of academic professionals at colleges and universities
Duke
http://guides.mclibrary.duke.edu/refmanagement
Wisconsin
https://www.library.wisc.edu/services/citation-managers/comparison-chart/
Princeton
http://libguides.princeton.edu/?group_id=1905
http://libguides.princeton.edu/bibman
University of North Carolina
http://guides.lib.unc.edu/c.php?g=8437&p=43452
Penn State
http://guides.library.upenn.edu/content.php?pid=378043&sid=3096532
University of Michigan - Ann Arbor
http://guides.lib.umich.edu/citationmanagementoptions
Georgia Tech
http://libguides.gatech.edu/citationtools/resmgmt
Harvard
http://guides.library.harvard.edu/c.php?g=310833&p=2072960
MIT
http://libguides.mit.edu/references
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