Pydet is a plug-in for PyMOL capable of visualizing Delaunay tessalations of atom sets.

The article about PyDet, including install instructions:

Rafael Ördög: PyDeT, a PyMOL plug-in for visualizing geometric concepts around proteins

PyDeT source:

The free version of PyMOL can be found here.

For generating the tesselations PyDeT will also need a copy of QHull installed on your system.


Nascent is a protein-protein physical interaction network mapper utility. You can download its standalone versions here or access the online (webservice) version.

Platform Link
MacOS download
Unix/Linux download
Windows download
Online version access