You could have downloaded GLoQ-Net 1.80 for Mac from our software library for free. The application is included in Education Tools. This free software for Mac OS X was originally produced by Nicola Ferraro.
From the developer:
GLoQNet is a framework for the alignment of protein to protein interaction (PPI) networks. It performs global alignment, local alignment, and network querying on a set of 2 or more PPI networks. Global-Local Alignment and Querying of Protein-to-Protein Interaction Networks.
You may want to check out more Mac applications, such as Genealogy Pro, sciatrope or Curvus Pro X, which might be related to GLoQ-Net.