Our software library provides a free download of Orion Markup 3.0 for Mac. Orion Markup for Mac is included in Design & Photo Tools. This Mac download was checked by our antivirus and was rated as clean. The file size of the latest installer available is 37.1 MB. The actual developer of this Mac application is Aidaluu Inc.
From the developer:
Orion Markup lets you express your thoughts and comments though images. It makes it easy to add notes, zoom-in bubbles, outlines boxes, lines, and arrows to images and screenshots.
You may want to check out more software for Mac, such as Orion Markup Express, Myths of Orion: Light from the North or Orion Flyer Maker Pro, which might be similar to Orion Markup.