Nephorider 1.1.3 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. We recommend checking the downloaded files with any free antivirus.
The actual developer of this software for Mac is Gromulus SAS. The software lies within Developer Tools, more precisely Debugging Tools. The most popular version among the application users is 1.1. This program was developed to work on Mac OS X 10.9 or later.
From the developer:
Nephorider is a simple visualization tool that lays out clearly and simply the details of your infrastructure. This app allows defining your own set of exceptions, indicating potential structural problems and exporting PDF diagrams of a complete cloud system. Nephorider supports Amazon AWS (TM).
You may want to check out more software for Mac, such as EasyEclipse for PHP, Prototypes or Affrus, which might be related to Nephorider.