PowerGREP - Quickly search through large numbers of files on your PC or network using powerful text patterns to find exactly the information you want. Search and replace with plain text or regular expressions to maintain web sites, source code, reports, ...
mat2 - mat2 is a metadata removal tool, supporting a wide range of commonly used file formats.
regexxer - regexxer is a nifty GUI search/replace tool featuring Perl-style regular expressions.
Attribute Magic - AttributeMagic.com - utility to change file timestamps and metadata
dnGREP - dnGrep allows you to search across files with easy-to-read results.
Exif Eraser - Permissionless image metadata erasing application for Android - GitHub - Tommy-Geenexus/exif-eraser: Permissionless image metadata erasing application for Android