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...
ImagePipe - removes exif data and modifies images to reduce size before sharing.
Metapho - Check and Edit EXIF Metadata
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.