4
PCWinTech.com
1,305
Freeware
Simple Port Tester is a neat application created to test TCP and UDP ports.
9
Nsasoft LLC.
2,787
Freeware
List available hosts, open ports, and their characteristics.
3
Open Text Corporation
315
Shareware
It allows you to connect to hosts across firewalls.
1
Sphinx Software
337
Freeware
Full-featured network activity monitoring tool to customize your connections.
12
KoolFirewall.com
3
Firewall software that scans various ports.
2
Michael Gardiner
4
Freeware
Quickly scan all network ports for holes in your firewall.
15
CreaSoftware
3,212
Freeware
A FAST network scanner for scanning entire class B or class C IP networks for open ports. You can sp....
2
G-Lock Software
188
Shareware
Network Diagnostic Software - detect open ports, audit your network security.
3
IPWorx
28
Freeware
Graphical network status showing open TCP/IP ports and their connections.
65
OpenPages.info
4
Freeware
Use this software to open server side TCP/UDP Intelligent (proxy) ports.
20
MooreR Software
3
Freeware
Port Listener XP is designed to open up fake ports.
Tomorrow Inc.
6
Shareware
Detect any open ports and their owning application on your machine, include Trojan and spyware.
Necrosoft
20
Shareware
The program allows you to find the list of the host's open ports.