Fast Port Scanner

What is the Parallel Portscanner This tool lets you scan a remote computer for available services on TCP ports. Normal port scanners try ports one by one. This port scanner checks about 200 ports at a time, making it 200 times faster than an ordinary port scanner. This application is a good...

NetCrunch Tools is a completely free toolkit for network professionals, featuring Ping, Traceroute, Wake OnLAN, DNS Info, Who Is, Ping Scanner, Service Scanner, Open TCP Port Scanner, SNMP Scanner, DNS Audit and Mac Resolver in one. It can work standalone, or in conjunction with the NetCrunch...

Axence NetTools Pro is a FREE and very comprehensive set of administration tools: - NetWatch: host monitoring with alerting, real-time & historical charts of response time & packet lost; e-mail & sound notifications available when a host is down; nodes names identification. - WinTools:...


Platforms: Windows

Blaster Scan is a TCP port scanner. It can extract users exploiting vrfy or expn, check anonymous access on FTP, check brute force on FTP and POP3, extract daemons' versions, and scan for CGI bugs. It also has a SYN port scan, the ability to ping hosts t


Platforms: *nix

SkPortScan ActiveX Control is a lightweight and powerful port scanner control. It allows developers to integrate port-scanning capabilities into their applications. SkPortScan can be used for network exploration or security auditing. SkPortScan can determine what services (ports) are open...


Platforms: Windows

LANguard Network Scanner is a freeware security & port scanner to audit your network security. It scans entire networks and provides NETBIOS information for each computer such as hostname, shares, logged on user name. It does OS detection, password strength testing, detects registry issues and...


Platforms: Windows

strobe-classb is a small and fast network scanner for Linux. It works best on kernel 2.0.36. It was originally designed for scanning for open e-mail relays on your LAN. Version 1.8 works on Linux 2.0.35 and later and Linux 2.2.8 and later. Also here is RH5.0-5.2-patchscript - a script to fix a...


Platforms: *nix

This software offers a solution for users who want to quickly scan ports to see which ones are open and closed. The software sends requests to a range of server port addresses for specified hosts. This software can be used by administrators who want to check the security properties of servers to...


Platforms: Windows

MegaPing is the ultimate must-have toolkit that provides all essential utilities for Information System specialists, system administrators, IT solution providers or individuals. It includes: Scanners: Comprehensive Security Scanner, Port scanner (TCP and UDP ports), IP scanner, NetBIOS scanner,...


Platforms: Windows

XPortScan is a multi-threaded, cross-platform, GUI port scanner. It is modular so that new features are easy to integrate, and even completely changing the GUI is easy. You must have wxGtk 2.40 or later installed in your system, either from source or from an RPM (not tested). From a shell...


Platforms: *nix

halfscan6 is an IPv6 syn port scanner. Now that people can set up IPv6-over-IPv4 tunnels they dont always treat the outside IPv6 as untrusted. An since more and more OSs enable normal services to listen to IPv6 ports as well as IPv4, the firewall can sometimes be completely bypassed. A normal...


Platforms: *nix

SSLScan queries SSL services, such as HTTPS, in order to determine the ciphers that are supported. SSLScan is designed to be easy, lean and fast. The output includes prefered ciphers of the SSL service, the certificate and is in Text and XML formats.


Platforms: Mac, BSD, Linux

Unicornscan is an asynchronous TCP and UDP port scanner developed by the late Jack C. Louis.


Platforms: *nix

python-nmap is a python library which helps in using nmap port scanner. It allows to easilly manipulate nmap scan results and will be a perfect tool for systems administrators who want to automatize scanning task and reports. It also supports nmap script outputs. It can even be used...


Platforms: *nix

Blaster Scan is a TCP port scanner. It can extract users exploiting vrfy or expn, check anonymous access on FTP, check brute force on FTP and POP3, extract daemons' versions, and scan for CGI bugs.


Platforms: *nix

Knocker is a simple, versatile, and easy-to-use TCP security port scanner written in C, using threads. It is able to analyze hosts and the network services which are running on them. It is available for Linux, FreeBSD, Unix, and Windows95/98/2000.


Platforms: *nix

LinScope is GUI(QT), port scanner with enumerating windows network shares(SMB). LinScope can save favorites list. You can adddifferent ip address ranges and scan them apart or together. Linscope searches FTP and HTTP services too.


Platforms: *nix

Network Port Scanner can scan any IP address or range of addresses for any port or range of ports. This is a very powerful networking utility and has many advanced features including multi-threading, see the link for more information. Share Scanner can scan an IP network for a list of servers...


Platforms: Windows

Capturix NETWorks is a network utility software that ables you to test and diagnose all common problems from any network. It brings a group of very useful tools like: System Information that can show all information related with a specific network card or connection, Speed Meter, Route...


Platforms: Windows

Checks your computer for open ports. Gives information about some of them. So you can understand if you have trojan horses, viruses, etc.


Platforms: Windows, Windows CE