4
PCWinTech.com
1,302
Freeware
Simple Port Tester is a neat application created to test TCP and UDP ports.
Virtual Serial Port Software
4
Shareware
Monitor, analyze and save logs from your system's RS232/422/485 serial COM ports.
47
PC 911
2,113
Freeware
Internet Speed Tester is an utility to test your Internet Speed.
169
CBS Software
21,936
Shareware
Optimize your internet connection to improve upload and download speeds.
4
DSL Speed Test
76
Freeware
Helps you perform speed test and troubleshoot common connectivity problems.
GMW Software
595
Freeware
JDs Auto Speed Tester can do regular internet speed tests in the background.
1
Emsai Industrial
74
Shareware
Emsa Advanced Port Blocker is an internet port blocking utility.
8
PTronix
46
Shareware
It is an advanced serial port test, simulation and data analysis tool.
36
Portforward
4,135
Freeware
PFPortChecker is a useful and reliable port test application.
1
Our-soft
106
Freeware
Displays words from the TOEFL Internet-based test in a banner-like manner.
50
Mozilla
21,542
Open source
Browse the Internet and test your latest website and web applications.
4
AGG Software
686
Freeware
COM Port Stress Test is a tool for testing a COM or RS232 port (device).
Posiflex Technology Inc.
36
Freeware
Set port settings and design print test for various Posiflex POS printers.
Syhunt
109
Freeware
Free port scanner for analyzing network security or Internet exploration.
1
ntl group ltd
10
Freeware
Allows you to find, test and fix problems with your internet connection.
1
febooti software
66
Freeware
Freeware utility that allows to test your Internet connection speed.