GitHub – All-in-one security scanning toolkit for penetration testers

Summary: NetShark is a CLI security scanner integrating port scanning, web security analysis, subdomain discovery, and network monitoring. It supports multi-threading, exports results in JSON, CSV, or TXT, and runs on Windows, Linux, and macOS.

What it does

NetShark combines fast TCP/UDP port scanning with banner grabbing, SSL/TLS and security header analysis, DNS-based subdomain finding, and real-time packet capture into a single interface.

Who it's for

It is designed for penetration testers, security researchers, and bug bounty hunters needing consolidated scanning tools.

Why it matters

It eliminates the need for multiple separate tools by providing a unified, multi-threaded security scanning solution.