Simple Port Tester
You can download Simple Port Tester 1.0 for Mac from our application library for free. The most popular version among Simple Port Tester for Mac users is 1.0. This app's bundle is identified as com.yourcompany.Simple-Port-Tester.
This free application was developed to work on Mac OS X 10.6 or later. Commonly, this application's installer has the following filename: Simple_Port_Tester_By_PcWinTech.com.pkg. Simple Port Tester for Mac lies within Internet & Network Tools, more precisely General. This free software for Mac OS X is a product of PcWinTech. Our antivirus analysis shows that this Mac download is malware free.
From the developer:
Simple Port Tester is a free program by PcWinTech.com to help users test if their ports are open with just a few clicks.
Tests both TCP & UDP ports.
The trick with testing if your port forwarding is working is to have something on your computer actually listening on the port. If nothing is listening on the port the test will fail no matter what.
You may want to check out more software for Mac, such as Quick Port Test, Port Forwarding Wizard or Simple, which might be related to Simple Port Tester.