All seven available addthis.com widget types. See: https://www.addthis.com/get/sharing#.UT-UARy9JG0
<%- @getFloatingAddThisBlock('std','styles;',UrlCopyTrackingBoolean) %>
UrlCopyTrackingBoolean
is set to true or false to determine if addthis should track when someone copies the web page's url(in the asumption that they are copying it to share it).
A real world example:
<%- @getAddThisBlock('std','right:13px;top:115px;', false) %>
will output