Michael Golikov
44
Shareware
TCP Port Toolkit is a protocol, data, and timing analyzer.
4
PCWinTech.com
1,301
Freeware
Simple Port Tester is a neat application created to test TCP and UDP ports.
1
Jim Kulak
16
Shareware
Identify or detect the devices connected to your network.
8
DeviceLock, Inc.
284
Freeware
Active Ports monitors all open TCP and UDP ports on a local computer.
1
Hristo Nikolaev
3
Open source
B&W Port Scanner is a program that will scan your TCP ports.
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.
43
GadgetFactory
9
Shareware
Check open files on NT/2000/XP/2003 server or workstation.
1
Davis Mošenkovs
Freeware
Freeware security configuration utility for Windows.
Can close TCP/UDP ports 135, 137-139, 445 and....
65
OpenPages.info
4
Freeware
Use this software to open server side TCP/UDP Intelligent (proxy) ports.
3
FewByte
8
Freeware
It's a program designed to inspect system TCP and UDP ports and find open ones.
1
TAL Technologies, Inc.
15
Shareware
TCP-File allows you to easily log TCP/IP data from any number of TCP/IP ports.
2
Port Forward
Freeware
PFPort Check is a smart and friendly tool that allows you to checks the open ports.
21
Hilgraeve, Inc.
27,148
Shareware
Connects to systems through TCP/IP Networks, Dial-Up Modems, and COM ports.