9
Nsasoft LLC.
2,774
Freeware
List available hosts, open ports, and their characteristics.
1
Hristo Nikolaev
3
Open source
B&W Port Scanner is a program that will scan your TCP ports.
12
Portforward.com
8,770
Shareware
A handy suite of network tools to help get your ports forwarded.
4
PCWinTech.com
1,301
Freeware
Simple Port Tester is a neat application created to test TCP and UDP ports.
2
Global Web Monitor
39
Shareware
Scans about 400 ports a second. It supports both the TCP/IP and UDP protocols. Select address range....
23
Shvechkov Alexey
203
Freeware
Named Pipe TCP Proxy - utility which provides access to named pipes on Windows.
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
79
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.
2
Flachmann & Heggelbacher
925
Shareware
Establishes TCP connections, accepts a TCP connection on a local port, etc.
24
SteelBytes
54
Shareware
TCP/IP port redirector with many features for the advanced user.
Gabriele Giorgetti
9
Open source
Knocker is a simple and easy to use TCP security port scanner.
20
Coral Works, Inc.
5
Software-based TCP/IP port forwarder and network administration service.