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: HackerTarget.com is a free online web application security scanner and network security scanner. It can scan websites for vulnerabilities, check network security, test SSL encryption and perform many other security assessments.
Type: software