FileMenu Tools - FileMenu Tools lets you customize the context (right-click) menu of Windows Explorer.
Winaero Context Menu Tuner - Context Menu Tuner
Easy Context Menu - Easy Context menu is a Freeware portable utility that includes useful tweaks for the context menus.
RCDefaultApp - RCDefaultApp is a Mac OS X 10.
Context Menu Editor - bartdart.com - quality freeware for you
FileTypesMan - FileTypesMan is an alternative to the File Types tab in the Folder Options of Windows.