Voroprot 1.9.1 was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this software available.
We cannot guarantee that the program is safe to download as it will be downloaded from the developer's website. Before launching the program, check it with any free antivirus software. The software is included in Education Tools. The following versions: 1.9 and 1.0 are the most frequently downloaded ones by the program users. The actual developer of the free software is Institute of Biotechnology. Voroprot.exe is the most common filename for this program's installer.
From the developer:
Voroprot is an interactive cross-platform software tool that provides a unique set of capabilities for exploring geomeric features of protein structure.
Voroprot allows the construction and visualization of the Apollonius diagram (also known as additively weighted Voronoi diagram), the Apollonius graph, protein alpha shapes, interatomic contact surfaces, solvent accessible surfaces, pockets and cavities inside protein structure.
You may want to check out more software, such as Maxima and Minima, IUCLID5 or ECoord, which might be related to Voroprot.