TinyWall - Lightweight and non-intrusive firewall
Imperva Cloud Application Security - Deploy your applications and data where you want. When you want. Imperva keeps them secure in the cloud, on premises, and in hybrid clouds.
GlassWire - Visualize network activity in detail, get notified when new apps access the network, look out for...
Sucuri - Website Protection, Malware Removal, and Blacklist Prevention
Windows Firewall Control - Windows Firewall Control is not the built in firewall system in the Windows operating systems.
Incapsula - Incapsula is a Security CDN that makes any website safer, faster and more reliable. 5 minute setup will make a world of difference.