VibSoft 4.80 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. The following version: 4.7 is the most frequently downloaded one by the program users. VibSoft.exe is the common file name to indicate the VibSoft installer. We recommend checking the downloaded files with any free antivirus. The actual developer of the program is Polytec GmbH. The software is included in Education Tools.
From the developer:
Vibsoft data acquisition software dedicated to laser vibrometers. Control of all vibrometer settings via RS-232 interface; all settings stored with the data files – ideal for test-stand installations and extensive test series (with most models). Integrated signal enhancement provides the best laser vibrometer performance. Integrated function generator (option) including user-defined excitation waveforms–tight control and synchronization.
You may want to check out more software, such as Avantage BPM Foundation, Adding Machine or gitoolbox, which might be related to VibSoft.