TinyWall - Lightweight and non-intrusive firewall
FlexiSPY - FlexiSPY is the original "phone spy" software - it's been on the market since 2005.
GlassWire - Visualize network activity in detail, get notified when new apps access the network, look out for...
iKeyMonitor - iKeyMonitor is a mobile app for both iPhone and Android devices that with parental control capabilities and phone monitoring features.
Windows Firewall Control - Windows Firewall Control is not the built in firewall system in the Windows operating systems.
XNSPY - XNSPY is the world’s most trusted cell phone spy software to monitor any smartphone and tablet remotely. It works on a range of devices including Android phones, Android tablets, iPhones and iPads.