Ultimate Windows Context Menu Customizer - Ultimate Windows Context Menu Customizer is a freeware from door2windows that allows you to **customize the context menu of many locations with ease in Windows.Download Ultimate Windows Context...
RCDefaultApp - RCDefaultApp is a Mac OS X 10.
ContextEdit - Download ContextEdit - Lets you control which items appear on your windows context menu.
FileMenu Tools - FileMenu Tools lets you customize the context (right-click) menu of Windows Explorer.
Lammer Context Menu - Lammer Context Menu is an extension for Microsoft Windows Explorer with very handy features like:
Duti - duti is a command-line utility capable of setting default applications for various document types on macOS, using Apple's Uniform Type Identifiers (UTI). It's the CLI analog to RCDefaultApps and SwiftDefaultApps