There was a download of VectorFriends 1.2 on the developer's website when we last checked. We cannot confirm if there is a free download of this software available. This PC software was developed to work on Windows XP, Windows 7, Windows 10 or Windows 11 and can function on 32-bit systems.
VectorFriends lies within Photo & Graphics Tools, more precisely 3D Design. We recommend checking the downloaded files with any free antivirus. The actual developer of the program is BioFriends(Pte Ltd). The most popular versions among VectorFriends users are 1.2 and 1.1. Vf.exe and vf64.exe are the most common filenames for this program's installer.
From the developer:
VectorFriends simulates the isothermal assembly with an intuitive interface and facilitates the design of primers by using Primer3, a de facto standard in molecular biology. The program simplifies the method and designs attB adapter primers for preparation of attB-flanked PCR products.
You may want to check out more software, such as KeyCreator or FRED Optical Engineering Software, which might be similar to VectorFriends.