Generate and modify NSD files on your Mac. Add custom structure elements to the diagrams according to the specifications of the format and the presentation parameters. Manage the incomplete projects, save all changes, import and export information, etc.
Download of Structorizer 3.29 for Mac was available from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The software is included in Education Tools. Please check the Mac app with an antivirus before launch as it is downloaded from the developer's website, and we cannot ensure that it is safe. This free Mac app is an intellectual property of Structorizer.
From the developer:
Structorizer is a little tool which you can use to create Nassi-Schneiderman Diagrams (NSD).
You may want to check out more software for Mac, such as ChordPhobia, EarMaster Essential or Cinderella2, which might be related to Structorizer.