Description: GRC Port Scan is a free network scanner that checks open TCP and UDP ports on a target computer or device. It can scan common ports or a custom range, and has useful features like port mapping and reporting.
Type: software
Pricing: Free
Description: Simplewall is a free and open-source firewall program for Windows. It is lightweight, customizable, and blocks unwanted network connections with advanced filtering rules.
Type: software
Pricing: Open Source