Acrylic WiFi Heatmaps Alternatives

NetSpot is a free app for wireless site surveys, Wi-Fi analysis, and troubleshooting

The Free Wi-Fi Coverage Mapping Site Survey Tool

Powerful SaaS integration toolkit for SaaS developers - create, amplify, manage and publish native integrations from within your app with Cyclr's flexible Embedded iPaaS.

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Wi-Fi site coverage survey and modelling application

Vistumbler is a wireless network scanner for Windows Vista and Windows 7. Features:

Open Source

www.jwaves.io is online free service for Wi-Fi and DECT predictive surveys/ simulations.

inSSIDer Essential makes it easy to maintain small business WiFi.

Free network audit app

Kismet is an 802.11 layer2 wireless network detector, sniffer, and intrusion detection system.

Designing a Wi-Fi network that meets user demands in your unique environment is easy. Use this intuitive, predictive heat-map tool to develop your predictive design to implement a robust Wi-Fi network.

iBwave Wi-Fi software suite brings smart networking solutions to enterprise, education, hospitality, transportation, retail, office, healthcare, public venues, and residential wireless networks.

With Homedale you can search for Wi-Fi / WLAN Access Points and monitor their signal strength.

Wifi Analyzer is a handy tool which helps you to select a better channel for your wireless router.

Wireshark is a network protocol analyzer for Unix and Windows. It lets you capture and interactively browse the traffic running on a computer network.

Open Source