Cisco Systems, Inc.
7
Freeware
Cisco Unity Port Status Monitor is a remote connection utility.
1
Hristo Nikolaev
3
Open source
B&W Port Scanner is a program that will scan your TCP ports.
9
Nsasoft LLC.
2,787
Freeware
List available hosts, open ports, and their characteristics.
4
PCWinTech.com
1,305
Freeware
Simple Port Tester is a neat application created to test TCP and UDP ports.
23
Shvechkov Alexey
204
Freeware
Named Pipe TCP Proxy - utility which provides access to named pipes on Windows.
8
detectinvisible.me
64
Freeware
Detect Invisible.Me detects the real status of contacts in Yahoo! Messenger.
12
Portforward.com
8,807
Shareware
A handy suite of network tools to help get your ports forwarded.
IDT Corporation
68
Freeware
The dialer uses one local UDP port and one local TCP port.
37
NetworkActiv
84
Shareware
NetworkActiv AUTAPF is a UDP and TCP port forwarder.
DataSet
12
Freeware
A multi-threaded and fast TCP port scanner.
22
Foundstone Inc.
15
Freeware
A powerful connect-based TCP port scanner, pinger and hostname resolver. Multithreaded and asynchron....
2
10-Strike Software
82
Shareware
Send an ICMP packet (ping) to a device, connect to a required TCP port.
1
Mike Gavaghan
67
Open source
This tool is handy if you encountered unexpected TCP port conflict exceptions.
N-Tron
21
Freeware
N-View OPC provides switch and port status information.
Red Lion Controls, Inc.
37
Freeware
N-View can switch and port status information for all N-View capable switches.
2
Flachmann & Heggelbacher
940
Shareware
Establishes TCP connections, accepts a TCP connection on a local port, etc.
3
IPWorx
28
Freeware
Graphical network status showing open TCP/IP ports and their connections.
