Wireshark

Wireshark is the world's foremost network protocol analyzer. It lets you capture and interactively browse the traffic running on a computer network.

Free Open Source Mac OS X Windows Linux BSD

inSSIDer

Let's face it-- there's SOOO much Wi-Fi everywhere these days, the built-in Wi-Fi tools and free utilities that used to help us understand the Wi-Fi environment just can't keep up anymore.

Commercial Windows Android Android Tablet

PRTG Network Monitor

An advanced network monitoring solution to monitor network up/downtime, traffic and usage.

Freemium Windows

NetStumbler

NetStumbler is a tool for Windows that allows you to detect Wireless Local Area Networks (WLANs) using 802.11b, 802.11a and 802.11g.

Free Windows

Winhotspot

Win Hotspot is portable WiFi hotspot application has inbuilt WiFi Scanner to list Channel ,Signal % etc. It Also has bandwidth meter and WiFi Repair Tools. Please Update to version 1.2, Internet sharing bug has been fixed.

Free Windows

Microsoft Network Monitor

Microsoft Network Monitor is a packet analyzer. It enables capturing, viewing, and analyzing network data and deciphering network protocols. It can be used to troubleshoot network problems and applications on the network.

Free Windows

reaver

Reaver implements a brute force attack against Wifi Protected Setup (WPS) registrar PINs in order to recover WPA/WPA2 passphrases.

Free Open Source Linux

WeFi

If youre tired of clicking around trying different Wi-Fi connections to find one that works - You want WeFi. WeFi is software loaded onto your laptop or mobile device.

Free Mac OS X Windows Android Windows Mobile S60

WiFi Explorer

WiFi Explorer is a tool to scan, find, and troubleshoot wireless networks. It can be used to quickly identify channel conflicts, overlapping and other factors (e.g.

Commercial Mac OS X

Kismet

Kismet is an 802.11 layer2 wireless network detector, sniffer, and intrusion detection system. Kismet will work with any wireless card which supports raw monitoring (rfmon) mode, and (with appropriate hardware) can sniff 802.11b, 802.

Free Linux

NetworkMiner

NetworkMiner is a Network Forensic Analysis Tool (NFAT) for Windows. NetworkMiner can be used as a passive network sniffer/packet capturing tool in order to detect operating systems, sessions, hostnames, open ports etc.

Freemium Windows

apptalk.ninja

App and device communication diagnostics tool for better bug tracking & QA. An easy-to-use tool that monitors http, BLE and iBeacon communication over-the-air helping app developers with bug tracking and building more reliable apps.

Freemium iPhone iPad

SmartSniff

SmartSniff is a packet sniffer that capture TCP/IP packets and display them as sequence of conversations between clients and servers. You can view the TCP/IP...

Free Windows

Homedale

With Homedale you can search for Wi-Fi / WLAN Access Points and monitor their signal strength. Use the detected access points with Google Geolocation and Mozilla Location Service to locate yourself.

Free Windows

Virtual WiFi Hotspot

Virtual Wifi Hotspot is a free software router for Windows based system running Windows 7, Windows 8, Windows Server 2008 R2 and Windows Server 2012.

Free Windows

WiFi Map — Free Passwords

Connect to WiFi passwords for FREE internet access all over the world! The most popular WiFi application *** TOP 1 in 50 countries *** TOP 1 in Travel category in 100 countries *** Contains to 100 million WiFi hotspots!.

Free Android iPhone

NETGEAR WiFi Analytics

How strong is your WiFi signal? You can use the NETGEAR WiFi Analytics app to get advanced analytics that help you optimize your existing or newly extended WiFi network.

Free Android Android Tablet

Pirni Pro

Pirni Pro is a network security tool designed for iOS, and specifically for iPhone and iPod Touch devices. It is capable of intercepting traffic on a wireless network...

Commercial iPhone

httpry

httpry is a tool designed for displaying and logging HTTP traffic. It is not intended to perform analysis itself, but instead to capture, parse and/or log the traffic...

Free Open Source Linux