The 0.81 version of socnetv for Mac was available to download on the developer's website when we last checked. We cannot confirm if there is a free download of this app available. Socnetv for Mac is included in Education Tools.
The application's installation file is generally known as socnetv-0.90.tar.gz. The following version: 0.8 is the most frequently downloaded one by the program users. We recommend checking the downloaded files with any free antivirus. This free software for Mac OS X was originally created by Dimitris V. Kalamaras.
From the developer:
Social Networks Visualizer (SocNetV) is a social network analysis tool. You can draw a network (graph) or load an existing one (GraphML, UCINET, Pajek, etc), compute statistics, centralities, and apply various layout algorithms (i.e. spring-embedder).
You may want to check out more software for Mac, such as iRNAi, Gee or Arcade Math Blocks, which might be related to socnetv.