MetaImage 2.6.5 for Mac could be downloaded from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. MetaImage for Mac belongs to Design & Photo Tools. We recommend checking the downloaded files with any free antivirus. The actual developer of this software for Mac is NeededApps.
From the developer:
MetaImage lets you read, write, and edit images metadata. The application allows you to edit EXIF, IPTC, XMP, and Maker tags in a familiar interface. The program has been designed to improve your workflow. You have the ability to create and manage presets. Moreover, a special interface is provided for geographical and thumbnail data. Besides, you can customize the displayed tags in the Preferences window.
You may want to check out more software for Mac, such as ImageBuddy, Downsize or particleIllusion, which might be related to MetaImage.