There was a download of swisstopo NAVREF 3.0.453 on the developer's website when we last checked. We cannot confirm if there is a free download of this software available. Swisstopo NAVREF lies within Office Tools, more precisely Calculators.
The most frequent installer filename for the program is: navref.exe. This software is a product of swisstopo. The following version: 3.0 is the most frequently downloaded one by the program users. 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.
From the developer:
NAVREF is a program for the transformation of global WGS84-coordinates in Swiss projected coordinates LV03 and vice versa.
This program is not designed for high-precision applications, but for navigation as well as for the transformation of coordinates that are derived from a geodetic data portal on the Internet, from a software like Google Maps or have been extracted from maps.
You may want to check out more software, such as RealData® Real Estate Calculator, iUnit or ESBProgCalc Pro, which might be similar to swisstopo NAVREF.