mat2 - mat2 is a metadata removal tool, supporting a wide range of commonly used file formats.
Attribute Magic - AttributeMagic.com - utility to change file timestamps and metadata
GroupDocs.Metadata for .NET - GroupDocs.Metadata for .
Exif Eraser - Permissionless image metadata erasing application for Android - GitHub - Tommy-Geenexus/exif-eraser: Permissionless image metadata erasing application for Android
Pic2Map - Can't remember the location where you took that picture on your vacation? Upload your photo and find out where it was taken.
MAT - MAT stands for Metadata Anonymisation Toolkit.