Downloading MOVE3 4.2.1 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 most popular versions of the program 4.2 and 4.0. The software is categorized as Education Tools. Commonly, this program's installer has the following filenames: MOVE3.exe and MOVE3Demo.exe etc. This software is an intellectual property of Grontmij. We recommend checking the downloaded files with any free antivirus.
From the developer:
MOVE3 is a program intended for the design, adjustment and quality control of 3D, 2D and 1D geodetic networks in compliance with the procedures of the "Delft School" of geodesy. MOVE3 allows fully integrated processing of GPS and terrestrial observations. It also provides a comprehensive quality control by precision and reliability analysis.
You may want to check out more software, such as gitoolbox, roboBASIC or Mathematics Worksheet Factory, which might be similar to MOVE3.