You could have downloaded Traffic Report 1.2 for Mac from our application library for free. Traffic Report for Mac relates to System Tools.
From the developer:
Traffic Report is a robust Web log analysis tool. Designed with the simplicity and elegance that is Mac, it has the power (and sophistication) to analyze many of the most popular log formats, from Netscape to Apache, whether produced on Unix, NT or Mac servers.
You may want to check out more software for Mac, such as Desktop Reporting, NetUse Traffic Monitor or Traffic Counter, which might be related to Traffic Report.