CostX 3.51.99.3499 could be downloaded from the developer's website when we last checked. We cannot confirm if there is a free download of this software available.
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 program lies within Photo & Graphics Tools, more precisely 3D Design. The actual developer of the program is Exactal.
From the developer:
CostX enables you to quickly and accurately take off quantities from 2D drawings and generate automatic quantities from 3D BIM models using the most advanced on-screen electronic measurement system available.
Prepare estimates, bills of quantities and tenders easily and all in a fraction of the time and cost!
You may want to check out more software, such as AllyCAD, fragMOTION or Silo, which might be similar to CostX.