Exiv2 - Exiv2 is a C++ library and a command line utility to manage image metadata.
Exif Purge - EXIF Purge is a small portable application to remove EXIF meta data from multiple images at once.
PhotoME - PhotoME is a powerful tool to show and edit the meta data of image files.
Scrambled Exif - Scrambled Exif (pronounced eggsif) helps you remove the metadata in your pictures before you share...
ExifToolGUI - Graphical user interface to https://alternativeto.
JPEG & PNG Stripper - A tool for stripping/cleaning/removing uncessary metadata (junk) from JPG/JPEG/JFIF & PNG files.