Download of Personal VDS 4.0 was on 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's installer is commonly called pvds.exe. The most popular version among the program users is 4.0. ".ds" is the extension this free PC software can process. This free software is an intellectual property of Commercial Research. The program is included in Education Tools.
From the developer:
This freeware version is intended for students and home PC users. The package includes a short tutorial and full online help which includes many example scripts. The software is not licensable for commercial use. The program is developed by Emmanuel Daunizeau
You may want to check out more software, such as Personal Finances, Person To Person or Send Personally, which might be similar to Personal VDS.