TinyWall - Lightweight and non-intrusive firewall
Tango ADB - Android tools in the browser.
GlassWire - Visualize network activity in detail, get notified when new apps access the network, look out for...
kicom - KicomAV is an open source (GPL v2) antivirus engine designed for detecting malware and disinfecting...
Windows Firewall Control - Windows Firewall Control is not the built in firewall system in the Windows operating systems.
cPGuard - cPGuard is Security Suite for Linux Web Hosting Servers