Download of NWB 1.0.0 for Mac was on the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The following version: 1.0 is the most frequently downloaded one by the program users.
The application lies within Education Tools, more precisely Science. 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 actual developer of this free software for Mac is Graphic Design. Nwb-n-1.0.0.200909152135ng.zip is the default file name to indicate the NWB installer.
From the developer:
The Network Workbench (NWB) tool is a network analysis, modeling, and visualization toolkit for biomedical, social science, and physics research. It is a standalone desktop application requiring Java 1.4 JRE.
It uses the Cyberinfrastructure Shell (CIShell) to integrate various datasets and algorithms.
You may want to check out more Mac applications, such as sciatrope, Analytics to Earth or TreeView X, which might be similar to NWB.