This article lists 6 ways to delete applications. We have talked about some of these applications in the past.
Of course, if you just drag the application to the trash, you will delete the largest part of the application. However certain parts as of the application are left behind, including such files as preferences and other associated contents.
The applications that are listed are: (They are require Mac OS 10.4 or later.)
Amnesia – Uninstalls applications, screen savers, dashboard widgets and preferences panes and their associated system files.
Price: $9.95
AppCleaner – Simple drag and drop interface will take care of applications, widgets, plugins, and preferences along with their associated files with a smooth rotating cube animation.
Price: Free
AppDelete – Deletes applications, widgets, plugins, and preferences and any associated files.
Price: $5
AppTrap – A preference panel that runs in the background. When you throw away an app, you get a simple dialogue asking if you want to delete the associated system files as well.
Price: Free
AppZapper – A drag and drop interface that shows list of associated files.
Price: $12.95
CleanApp 3 – Searchs the Mac for applications, preference panes, and archives. It then organizes these files into searchable, categorized lists.
Price: $13
Extra: CleanMyMac – Is capable of freeing up space through slimming Universal Binaries, removing unnecessary language files, deleting old caches and logs, and various other miscellaneous files.
Price: $29.95 – Developer: MacPaw
For more detail and links to the files see the site at: http://mac.appstorm.net/roundups/utilities-roundups/6-ways-to-correctly-delete-applications/


