The 1.16.1 version of VSDX Annotator for Mac was available to download on the developer's website when we last checked. We cannot confirm if there is a free download of this app available. We recommend checking the downloaded files with any free antivirus. The program is included in Productivity Tools. The actual developer of this software for Mac is Nektony. The current installer available for download requires 29.8 MB of hard disk space.
From the developer:
VSDX Annotator is an app that helps you view, edit, and convert Visio drawings on Mac. It provides a wide range of annotation possibilities, along with sharing visual documents in a multi-platform environment. The program provides you with 12 annotation tools. The app allows to add notes, callouts, comments, blocks, graphic files etc.
You may want to check out more software for Mac, such as Awesome Screenshot -- Capture, Annotate and Share screenshot, Napkin - Concise Image Annotation and Communication or LEADTOOLS Annotations, which might be similar to VSDX Annotator.
Document management
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