mat2 - mat2 is a metadata removal tool, supporting a wide range of commonly used file formats.
Scrambled Exif - Scrambled Exif (pronounced eggsif) helps you remove the metadata in your pictures before you share...
JPEG & PNG Stripper - A tool for stripping/cleaning/removing uncessary metadata (junk) from JPG/JPEG/JFIF & PNG files.
Attribute Magic - AttributeMagic.com - utility to change file timestamps and metadata
Exif Purge - EXIF Purge is a small portable application to remove EXIF meta data from multiple images at once.
GroupDocs.Metadata for .NET - GroupDocs.Metadata for .