You could have downloaded ServicemarX 0.1.2 for Mac from our application library for free. This free Mac app is a product of James G. Speth. The ServicemarX installer is commonly called servicemarx-0.1.2.zip. The most popular version among the application users is 0.1. The program relates to Internet & Network Tools. This program's bundle is identified as com.servicemarx.ServicemarX.
From the developer:
ServicemarX allows you to easily discover, bookmark, and share network services. It extends Bonjour (formerly known as Rendezvous) by expanding its scope Internet-wide. ServicemarX also enables Tiger's Wide Area capabilities (full source in CVS below).
You may want to check out more software for Mac, such as IPNetShareX or PPPoE Connector, which might be related to ServicemarX.