Apps similar to Nighthawk include inSSIDer. It's paid, but Homedale and Vistumbler are free. Other options are NetSpot, Acrylic Wifi, WiFi Warden and WifiInfoView. You can choose from more than 10 Network Analyzers like Nighthawk for Windows, Mac, Android, iPad and iPhone.
An advanced network analyzer that accurately visualizes Wi-Fi environments, provides signal strength timelines, supports 802.11ac networks, lists conflicting access points, and recommends channels, all while being accessible with just a dual-band .11n adapter.
United States
NetSpot is a simple and accessible wireless survey tool, which allows collecting, visualizing and analyzing Wi-Fi data.
United States
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.
Germany
EU
![See an overview of all available access points with their signal strength, encryption [WEP/WPA/WPA2], speed and channel.](https://img.alternativeto.net/s/309x197/jpeg/8f3b1d9c-e2be-e311-8c57-002590a05f5f_2_full.png)
Vistumbler is a wireless network scanner and mapping utility designed for Windows Vista and above
Acrylic WiFi Free v2.2 for Windows is an advanced Wi-Fi scanner that is able to gather real-time WLAN information and perform network analysis.
SpainEU
WiFi Warden lets you see frequency, channel, modem manufacturer, encryption, security,distance to the router, power, name and Mac address of wireless access points around you and show some information about connected devices to your network.
Scans wireless networks in your area and displays extensive information, including: SSID, MAC Address, PHY Type (802.11g or 802.11n), RSSI, Signal Quality, Frequency, Channel Number, and more...
Israel
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.
United States
Small utility that runs in the background, and monitor the activity of wireless networks around you.
Israel
A 802.11 wireless scanner and connection manager for Mac OS X. WiFi Scanner will detect access points and clients in ad-hoc mode if the SSID is being broadcasted. It can be used for wireless site surveys, wireless discovery, and to connect to WiFi networks.
United States
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.
India
![See an overview of all available access points with their signal strength, encryption [WEP/WPA/WPA2], speed and channel.](https://img.alternativeto.net/s/618x394/avif/8f3b1d9c-e2be-e311-8c57-002590a05f5f_2_full.png)
