Reggie Ashworth (http://www.reggieashworth.com/appdelete) has released AppDelete 4.1.4, an update to his application deletion utility for Mac OS X.
Via drag and drop, AppDelete will uninstall anything along with all of the associated items. Version 4.1.4 sports a new user interface and is optimized for Mac OS X Yosemite.
AppDelete 4.1.4 costs US$7.99 for a single user license. Upgrades from Version 2/AppDelete Lite are $3.99 (USD). A full-featured demo is available.