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.
23
Shvechkov Alexey
203
Freeware
Named Pipe TCP Proxy - utility which provides access to named pipes on Windows.
28
SimpleComTools
594
Freeware
UDP Test Tool is both a UDP packet generator and listening application.
16
PCWinTech
8,595
Freeware
Simple Port Forwarding works with WebPages and not directly with your router.
half-open
6
Freeware
It changes the maximum number of concurrent half-open outbound TCP connections.
IDT Corporation
68
Freeware
The dialer uses one local UDP port and one local TCP port.
61
Morning Glory Technologies
7
Demo
Active IP Sensor lets you watch all incoming and outgoing IP port connections.
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.
4
PCWinTech.com
1,301
Freeware
Simple Port Tester is a neat application created to test TCP and UDP ports.
2
Flachmann & Heggelbacher
924
Shareware
Establishes TCP connections, accepts a TCP connection on a local port, etc.
TcpipViewer
4
Freeware
TCP/IP protocol decoder enables you to capture any incoming and outgoing packets.
