1. Free Open Port Scanner
2. Windows Port Scanner
3. Network Port Scanner Tool
4. Port Scanner Tool For Mac
5. Free Mac Scanner Software

• Nmap 7.80 was released for DEFCON 27! [release notes | download]
• Nmap 7.70 is now available! [release notes | download]
• Nmap turned 20 years old on September 1, 2017! Celebrate by reading the original Phrack #51 article. #Nmap20!
• Nmap 7.60 is now available! [release notes | download]
• Nmap 7.50 is now available! [release notes | download]
• Nmap 7 is now available! [release notes | download]
• We're pleased to release our new and Improved Icons of the Web project—a 5-gigapixel interactive collage of the top million sites on the Internet!
• Nmap has been discovered in two new movies! It's used to hack Matt Damon's brain in Elysium and also to launch nuclear missiles in G.I. Joe: Retaliation!
• We're delighted to announce Nmap 6.40 with 14 new NSE scripts, hundreds of new OS and version detection signatures, and many great new features! [Announcement/Details], [Download Site]
• We just released Nmap 6.25 with 85 new NSE scripts, performance improvements, better OS/version detection, and more! [Announcement/Details], [Download Site]
• Any release as big as Nmap 6 is bound to uncover a few bugs. We've now fixed them with Nmap 6.01!
• Nmap 6 is now available! [release notes | download]
• The security community has spoken! 3,000 of you shared favorite security tools for our relaunched SecTools.Org. It is sort of like Yelp for security tools. Are you familiar with all of the 49 new tools in this edition?
• Nmap 5.50 Released: Now with Gopher protocol support! Our first stable release in a year includes 177 NSE scripts, 2,982 OS fingerprints, and 7,319 version detection signatures. Release focuses were the Nmap Scripting Engine, performance, Zenmap GUI, and the Nping packet analysis tool. [Download page | Release notes]
• Those who missed Defcon can now watch Fyodor and David Fifield demonstrate the power of the Nmap Scripting Engine. They give an overview of NSE, use it to explore Microsoft's global network, write an NSE script from scratch, and hack a webcam--all in 38 minutes! (Presentation video)
• Icons of the Web: explore favicons for the top million web sites with our new poster and online viewer.
• We're delighted to announce the immediate, free availability of the Nmap Security Scanner version 5.00. Don't miss the top 5 improvements in Nmap 5.
• After years of effort, we are delighted to release Nmap Network Scanning: The Official Nmap Project Guide to Network Discovery and Security Scanning!
• We now have an active Nmap Facebook page and Twitter feed to augment the mailing lists. All of these options offer RSS feeds as well.

Port Scanner Mac| Advanced Port Scanner Download: Advanced Port Scanner is a free, reliable network scanner which allows you to find open ports on network computers easily. Advanced Port Scanner also recovers versions of programs running on the discerned ports. IP Scanner is a cloud tool that scans your local network and returns a sortable list of the devices it discovers. Devices can be filtered, searched, and exported to CSV. By default, it detects and scans a local subnet, though you can also define a custom IP range. Advanced Port Scanner is a free network scanner allowing you to quickly find open ports on network computers and retrieve versions of programs running on the detected ports. The program has a user-friendly interface and rich functionality.

Download for Windows, Mac or Linux. This is an older generation of Angry IP Scanner. Download version 2.21 below (120 kb) or browse all 2.x releases. The switch port management tool will make the switch learn all the MAC addresses of the connected devices, which will be retrieved and shown in the results. Grouping and Scanning Switch port Mapper software allows to create different groups based on the location or building. Within this collection of 60+ tools, you get easy access to not only MAC Address Discovery, but other useful network discovery tools like IP Network Browser, Network Sonar Network Discovery Tool, Ping Sweep, Port Scanner, SNMP Sweep, Subnet List, and Switch Port Mapper.

Nmap ('Network Mapper') is a free and open source(license) utility fornetwork discovery and security auditing. Many systems and networkadministrators also find it useful for tasks such as networkinventory, managing service upgrade schedules, and monitoring host orservice uptime. Nmap uses raw IP packets in novel ways to determinewhat hosts are available on the network, what services (applicationname and version) those hosts are offering, what operating systems(and OS versions) they are running, what type of packetfilters/firewalls are in use, and dozens of other characteristics. Itwas designed to rapidly scan large networks, but works fine againstsingle hosts. Nmap runs on all major computer operating systems, andofficial binary packages are available for Linux, Windows, and Mac OSX. In addition to the classic command-line Nmap executable, the Nmapsuite includes an advanced GUI and results viewer(Zenmap), a flexible datatransfer, redirection, and debugging tool(Ncat), a utility forcomparing scan results (Ndiff), and a packet generation and response analysis tool (Nping).

Nmap was named “Security Product of the Year” by LinuxJournal, Info World, LinuxQuestions.Org, and Codetalker Digest. Itwas even featured in twelvemovies, includingThe Matrix Reloaded,Die Hard 4,Girl With the Dragon Tattoo, andThe Bourne Ultimatum.

Nmap is ...

• Flexible: Supports dozens of advanced techniques formapping out networks filled with IP filters, firewalls, routers, andother obstacles. This includes many port scanning mechanisms (both TCP &UDP), OSdetection, version detection, ping sweeps, and more. See the documentation page.
• Powerful: Nmap has been used to scan huge networks ofliterally hundreds of thousands of machines.
• Portable: Most operating systems are supported, includingLinux,Microsoft Windows,FreeBSD,OpenBSD,Solaris,IRIX,Mac OS X,HP-UX,NetBSD,Sun OS,Amiga,and more.
• Easy: While Nmap offers a rich set of advanced features forpower users, you can start out as simply as 'nmap -v -A targethost'. Both traditional command line and graphical (GUI)versions are available to suit your preference. Binaries areavailable for those who do not wish to compile Nmap from source.
• Free: The primary goals of the Nmap Project is to help makethe Internet a little more secure and to provideadministrators/auditors/hackers with an advanced tool for exploringtheir networks. Nmap is available for free download, and also comes with fullsource code that you may modify and redistribute under the terms ofthe license.
• Well Documented: Significant effort has been put intocomprehensive and up-to-date man pages, whitepapers, tutorials, andeven a whole book! Find them in multiplelanguages here.
• Supported: While Nmap comes with no warranty, it is well supported by a vibrant community of developers and users. Most of this interaction occurs on the Nmap mailing lists. Most bug reports and questions should be sent to the nmap-dev list, but only after you read the guidelines. We recommend that all users subscribe to the low-traffic nmap-hackers announcement list. You can also find Nmap on Facebook and Twitter. For real-time chat, join the #nmap channel on Freenode or EFNet.
• Acclaimed: Nmap has won numerous awards, including'Information Security Product of the Year' by Linux Journal, InfoWorld and Codetalker Digest. It has been featured in hundreds ofmagazine articles, several movies, dozens of books, and one comic bookseries. Visit the press pagefor further details.
• Popular: Thousands of people download Nmap every day, andit is included with many operating systems (Redhat Linux, DebianLinux, Gentoo, FreeBSD, OpenBSD, etc). It is among the top ten (out of30,000) programs at the Freshmeat.Net repository. This is importantbecause it lends Nmap its vibrant development and user supportcommunities.

Nmap users are encouraged to subscribe to the Nmap-hackersmailing list. It is a low volume (8 posts in 2016), moderated listfor the most important announcements about Nmap, Insecure.org, andrelated projects. You can join more than 128,000 current subscribersby submitting your email address here:

We also have a development list for more hardcore members(especially programmers) who are interested in helping the project byhelping with coding, testing, feature ideas, etc. New (test/beta)versions of Nmap are sometimes released here prior to generalavailability for QA purposes. You can subscribe at the Nmap-dev listinfo page.

Both lists are archived (along with many other security lists) at Seclists.org.

Though it isn't nearly as active as the mailing lists, the official IRC channel is #nmap on Freenode (irc.freenode.net).

Downloading Nmap

Nmap and Zenmap (the graphical front end) are available inseveral versions and formats. Recent source releases and binarypackages are described below. Older version (and sometimes newer testreleases) are available from the dist directory(and really old ones are in dist-old).For the moresecurity-paranoid (smart) users, GPG detached signatures and SHA-1hashes for each release are available in the sigsdirectory (verification instructions). Before downloading, be sure to read the relevant sections for your platform from the Nmap Install Guide. The mostimportant changes (features, bugfixes, etc) in each Nmap version aredescribed in the Changelog. Using Nmap is covered in the Reference Guide, and don't forget to readthe other available documentation, particularly the new book Nmap Network Scanning!

Nmap users are encouraged to subscribe to the Nmap-hackersmailing list. It is a low volume (7 posts in 2015), moderated listfor the most important announcements about Nmap, Insecure.org, andrelated projects. You can join the 128,953 current subscribers (as ofSeptember 2017) by submitting your email address here:

You can also get updates from our Facebook and Twitter pages.

Nmap is distributed with source code under custom license terms similar to (and derived from) the GNUGeneral Public License, as noted in the copyright page.

Microsoft Windows binaries

Please readthe Windows section of theInstall Guide for limitations and installation instructions for theWindows version of Nmap. You can choosefrom a self-installer (includes dependencies and also the Zenmap GUI)or the much smaller command-line zip file version. We support Nmap on Windows 7 and newer, as well as Windows Server 2008 and newer. We also maintain a guide for userswho must run Nmap on earlier Windows releases..

Free Open Port Scanner

The Nmap executable Windows installer can handle Npcapinstallation, registry performance tweaks, and decompressing theexecutables and data files into your preferred location. It also includes the Zenmap graphical frontend. Skip all thecomplexity of the Windows zip files with a self-installer:

Latest stable release self-installer: nmap-7.80-setup.exe

Windows Port Scanner

We have written post-install usageinstructions. Please notify usif you encounter any problems or have suggestions for theinstaller.

For those who prefer the command-line zip files (Installation Instructions; UsageInstructions), they are still available. The Zenmap graphicalinterface is not included with these, so you need to runnmap.exe from a DOS/command window. Oryou can download and install a superior command shell such as thoseincluded with the free Cygwin system.Also, you need to run the Npcapand Microsoft Visual C++ 2013 Redistributable Packageinstallers which are included in the zip file. The main advantage is that these zip files are a fraction of the size of the executable installer:

Latest stable command-line zipfile:nmap-7.80-win32.zip

Linux RPM Source and Binaries

Many popular Linux distributions (Redhat, Mandrake, Suse, etc) usethe RPM package management system forquick and easy binary package installation. We havewritten a detailed guide toinstalling our RPM packages, though these simple commands usually dothe trick:You can also download and install the RPMs yourself:

Latest stable release:
x86-64 (64-bit Linux)Nmap RPM: nmap-7.80-1.x86_64.rpm
x86-64 (64-bit Linux)Ncat RPM: ncat-7.80-1.x86_64.rpm
x86-64 (64-bit Linux)Nping RPM: nping-0.7.80-1.x86_64.rpm
Optional Zenmap GUI (all platforms): zenmap-7.80-1.noarch.rpm
Source RPM (includes Nmap, Zenmap, Ncat, and Nping): nmap-7.80-1.src.rpm

Mac OS X Binaries

Nmap binaries for Mac OS X (Intel x86) are distributed as a disk image filecontaining an installer. The installer allows installing Nmap, Zenmap,Ncat, and Ndiff. The programs have been tested on Intel computersrunning Mac OS X 10.8 and later. See theMac OS X Nmap installpage for more details. Users of PowerPC (PPC) Mac machines, which Apple ceased selling in 2006, should see this page instead for support information.
Latest stable release installer: nmap-7.80.dmg

Source Code Distribution

This is the traditional compile-it-yourself format. The Nmaptarball compiles under Linux, Mac OS X, Windows, and many UNIXplatforms (Solaris, Free/Net/OpenBSD, etc.) It includes Zenmap, theGUI frontend.

Network Port Scanner Tool

Detailed Linux/BSD/Solaris compilation instructions and options are provided here, though this usually does the trick:

Port Scanner Tool For Mac

Most Windows users install with our Windows executable installer, but we also provide Windows source code compilation instructions.

Most Mac OS X users install with our Mac installer, but we also provide Mac OS X source code compilation instructions.

If you are compiling Nmap anyway, you might prefer to get the very latest code from our SVN source code repository rather than downloading a tarball here.

Free Mac Scanner Software

Latest stable Nmap release tarball: nmap-7.80.tar.bz2 (or gzip compressed)

Other Operating Systems

Many other operating systems support Nmap so well that I have no needto create and distribute binary packages myself. You can choose touse the packages below, or compile the sourcedistribution, which is often newer. We have created installation pages for the following platforms:
Linux (all distributions)
Microsoft Windows
Mac OS X
FreeBSD, OpenBSD, and NetBSD
Sun Solaris
Amiga, HP-UX, and Other Platforms

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