6
MiTeC
1,969
Freeware
It's a free multi-threaded Port, IP, NetBIOS and SNMP scanner.
8
DeviceLock, Inc.
284
Freeware
Active Ports monitors all open TCP and UDP ports on a local computer.
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.
5
BlindScanner Masters ITC Software.
992
Shareware
Allows you to share a scanner with other users in a home or office network.
67
SoftPerfect
5,035
Shareware
Fast multipurpose IP scanner. Supports shares, SNMP, NetBIOS, WMI, PowerShell.
1
DesertHail
ServerTalk lets you communicate directly with a TCP or UDP port on a server.
John Leitch
13
Freeware
A lightweight console based TCP/UDP scanner written in C#. cScan.
Gabriele Giorgetti
9
Open source
Knocker is a simple and easy to use TCP security port scanner.
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....
1
Hristo Nikolaev
3
Open source
B&W Port Scanner is a program that will scan your TCP ports.
Gonsoft, Inc.
6
Shareware
1st Net Scanner is a useful IP Finder and Port Finder. It builds IP finder, port finder, IP scanner...
2
Flachmann & Heggelbacher
940
Shareware
Establishes TCP connections, accepts a TCP connection on a local port, etc.
