Download of The Observer XT 12.5 was on the developer's website when we last checked. We cannot confirm if there is a free download of this software available. This tool was originally developed by Noldus Information Technology bv.
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 versions among the software users are 12.5, 12.0 and 11.5. The program's installer is commonly called Observer.exe. The software lies within Education Tools, more precisely Science Tools.
From the developer:
The Observer XT is the professional and user-friendly software package for the collection, analysis, and presentation of observational data. The Observer XT supports the entire workflow of your project, from setting up to gathering and analyzing the observational data. Designing a coding scheme has never been easier.
You may want to check out more software, such as ARC XT, DoubleCAD XT or MAPP XT, which might be related to The Observer XT.