Attribute Magic - AttributeMagic.com - utility to change file timestamps and metadata
PropertiesPlus - PropertiesPlus is a free add-on for your Windows Explorer.
SKTimeStamp - SKTimeStamp is a very simple shell extension which adds a new tab to the Explorer properties dialog.
Attribute Changer - Attribute Changer freeware is a powerful Windows Explorer add-on, available at your fingertips...
PhotoME - PhotoME is a powerful tool to show and edit the meta data of image files.
mat2 - mat2 is a metadata removal tool, supporting a wide range of commonly used file formats.