NetSpeedMonitor - NetSpeedMonitor is a lightweight Network Monitoring Toolbar for your Windows Taskbar
Fastah 4G Finder - Fastah 4G Finder app contains features through which you can access a color map to get an idea about the speed of the internet on your current network.
NetTraffic - Essential network bandwidth monitor.
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.
Network Cell Info - Network Cell Info is a cell network monitor and measurements log tool (4G+, LTE, CDMA, WCDMA, GSM).