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.
8
DeviceLock, Inc.
284
Freeware
Active Ports monitors all open TCP and UDP ports on a local computer.
1
Jim Kulak
16
Shareware
Identify or detect the devices connected to your network.
4
PCWinTech.com
1,301
Freeware
Simple Port Tester is a neat application created to test TCP and UDP ports.
Phoenix Contact GmbH Co. KG
17
Freeware
Create virtual COM ports for FL COMSERVER BASIC devices.
Stefan Zieker
78
Open source
Scriptable data terminal supporting serial port, UDP, TCP client/server, etc.
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.
3
IPWorx
28
Freeware
Graphical network status showing open TCP/IP ports and their connections.
2
Fluke Networks
66
Freeware
Discover active IPv4 and IPv6 devices and open TCP application ports.
