Easy Context Menu - Easy Context menu is a Freeware portable utility that includes useful tweaks for the context menus.
mat2 - mat2 is a metadata removal tool, supporting a wide range of commonly used file formats.
ShellExView - Shell Extensions Manager
Attribute Magic - AttributeMagic.com - utility to change file timestamps and metadata
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
GroupDocs.Metadata for .NET - GroupDocs.Metadata for .