SwiftDefaultApps - Replacement for RCDefaultApp, written for macOS Sierra, in Swift 3.
Easy Context Menu - Easy Context menu is a Freeware portable utility that includes useful tweaks for the context menus.
FileMenu Tools - FileMenu Tools lets you customize the context (right-click) menu of Windows Explorer.
ShellExView - Shell Extensions Manager
RCDefaultApp - RCDefaultApp is a Mac OS X 10.
ShellMenuView - ShellMenuView is a small utility that display the list of static menu items that appeared in the context menu when you right-click a file/folder on Windows Explorer