Download of NetMine 2.2 for Mac was available from the developer's website when we last checked. We cannot confirm if there is a free download of this app available.
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. This program's bundle is identified as com.ProteMac.NetMine. The most popular versions of the application are 2.2 and 2.1. The actual developer of this software for Mac is ProteMac. The program belongs to Security Tools. The NetMine installer is commonly called protemac-netmine.dmg.
From the developer:
NetMine is a network firewall for Mac OS X which able to control Internet and network activity of all application on your Mac.
NetMine can restrict or prevent outright the spread of networked computer worms, trojans, viruses and malware. NetMine firewall is a new breed of information security technology designed to protect Mac OS X computers from attack from outside network and from software on your computer.
You may want to check out more software for Mac, such as Ettercap, SecuriSSH or DataGuard, which might be similar to NetMine.