TinyWall - Lightweight and non-intrusive firewall
Cobalt Strike - Advanced threat tactics for penetration testers.
Windows 10 Firewall Control - Windows 10 Firewall Control: simple and exhaustive solution for applications network activity controlling and monitoring.
Shodan - Shodan is the world's first search engine for Internet-connected devices.
GlassWire - Visualize network activity in detail, get notified when new apps access the network, look out for...
Exploit Pack - Exploit Pack is an open source project security that will help you adapt exploit codes on-the-fly.