Downloading Altus BluePlant 12.1.48 from the developer's website was possible when we last checked. We cannot confirm if there is a free download of this software available. The software lies within Photo & Graphics Tools, more precisely 3D Design.
The actual developer of the free software is Altus. The program's installer file is generally known as BluePlant.exe. 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. The most popular version among the program users is 12.1.
From the developer:
Altus BluePlant is a free program designed for supervisory control and data acquisition. It provides features that meet industry requirements and control processes such as Oil and Gas, Electricity, Sanitation, Transportation and Steel. It integrates geospatial maps and 3D models, which can be directly displayed or linked to dynamic data based on events and values in real time.
You may want to check out more software, such as MasterTool IEC, CC 2000 or MasterTool IEC XE, which might be similar to Altus BluePlant.