MKVToolnix - MKVToolnix is a set of tools to create, alter and inspect Matroska files under Linux, other Unices...
Metadata++ - Homepage of Metadata++, free, intuitive and powerful EXIF, IPTC, XMP, ICC, GPS viewer/editor.
MKVExtractGUI - This is a GUI frontend for mkvextract from ...
Exif Pilot - Exif Pilot is a Free EXIF Editor that allows you to manipulate META data within image files.
Format Factory - Format Factory is software that allows the user to convert media into various file formats. The software is a product of PC Free Time, a Chinese software development company. Read more about Format Factory.
PhotoME - PhotoME is a powerful tool to show and edit the meta data of image files.