Download of AstroSynthesis 3.01 was on the developer's website when we last checked. We cannot confirm if there is a free download of this software available. This program is a product of NBOS Software. The following version: 2.0 is the most frequently downloaded one by the program users.
This PC program operate with the following extension: ".sector". According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software. AstroSynthesis lies within Photo & Graphics Tools, more precisely Viewers & Editors. The default filenames for the program's installer are Astro.exe, Astro2.exe or Astro3.exe etc.
From the developer:
With AstroSynthesis, you can can map out large portions of space - plotting stars, interstellar routes, and subsectors. And best of all, you do it completely in 3D space.
Zoom in and out on your sector, pan and rotate around stars, follow routes, and watch fantastic animation effects all in 3D.
Because star systems contain so much data, AstroSynthesis also includes a powerful star system generator to help you fill out your map.
You may want to check out more software, such as Simple Slide Show, peopleputty or SPX Editor, which might be similar to AstroSynthesis.