OpenCellID - OpenCelliD is the largest Open Database of Cell Towers & their locations. You can geolocate IoT & Mobile devices without GPS, explore Mobile Operator coverage and more!

NetSpeedMonitor - NetSpeedMonitor is a lightweight Network Monitoring Toolbar for your Windows Taskbar

CellID Finder - Find a cell phone location using LAC/CellID, GSM BTS coordinates

TrafficMonitor - TrafficMonitor is a network monitoring suspension window software in Windows.

OpenSignal - Mobile analytics and insights on wireless connectivity from Opensignal, the independent global standard for understanding the true state of the world's mobile network.

FreeMeter - Monitor network bandwidth (C#.NET 2k/XP+). Desktop and Systray graph.